This is a list of prominent individuals who have been romantically or maritally coupled with a cousin.
The royal couples listed below are but a sampling of the innumerable marriages that have occurred between cousins, of varying degrees, from royal or noble houses.
Such royal intermarriages have been common, as it has generally been deemed inappropriate for royals to marry commoners.
Person | Spouse | Married | Year | Relationship | Common ancestor(s) |
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Prince Adalbert of Bavaria | Countess Augusta von Seefried auf Buttenheim | 12 June 1919 | 1919 | Second cousins once removed | Ludwig I of Bavaria |
Prince Adalbert of Prussia | Princess Adelaide of Saxe-Meiningen | 3 August 1914 | 1914 | Second cousins | Ernst I, Prince of Hohenlohe-Langenburg |
Adolf, Duke of Holstein-Gottorp | Christine of Hesse | 17 December 1564 | 1564 | Second cousins once removed | Eric II, Duke of Pomerania |
Adolf I, Prince of Schaumburg-Lippe | Princess Hermine of Waldeck and Pyrmont | 25 October 1844 | 1844 | First cousins | George I, Prince of Waldeck and Pyrmont |
Adolf Frederick, King of Sweden | Louisa Ulrika of Prussia | 29 August 1744 | 1744 | Third cousins | George, Duke of Brunswick-Lüneburg |
Duke Adolf Friedrich of Mecklenburg | Princess Viktoria Feodora of Reuss-Schleiz | 24 April 1917 | 1917 | Fourth cousins | Frederick II Eugene, Duke of Württemberg |
Adolph, Landgrave of Hesse-Philippsthal-Barchfeld | Princess Louise of Saxe-Meiningen | 18 October 1781 | 1781 | First cousins once removed | Philip, Landgrave of Hesse-Philippsthal |
Prince Adolph of Schwarzburg-Rudolstadt (father of Princess Marie of Schwarzburg-Rudolstadt) | Princess Mathilde of Schonburg-Waldenburg | 27 September 1847 | 1847 | Double first cousins once removed | Frederick Charles, Prince of Schwarzburg-Rudolstadt; Frederick V, Landgrave of Hesse-Homburg |
Adolphe, Grand Duke of Luxembourg | Grand Duchess Elizabeth Mikhailovna of Russia (first wife) | 31 January 1844 | 1844 | Second cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Adolphe, Grand Duke of Luxembourg | Princess Adelheid-Marie of Anhalt-Dessau (second wife) | 23 April 1851 | 1851 | Fourth cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Prince Adolphus, Duke of Cambridge | Princess Augusta of Hesse-Kassel | 1 June 1818 | 1818 | Second cousins | George II of Great Britain |
Adolphus Frederick II, Duke of Mecklenburg-Strelitz | Princess Maria of Mecklenburg-Güstrow | 1684 | 1684 | First cousins once removed | Johann VII, Duke of Mecklenburg |
Adolphus Frederick III, Duke of Mecklenburg-Strelitz | Princess Dorothea of Schleswig-Holstein-Sonderburg-Plön | 16 April 1709 | 1709 | Third cousins | Adolf, Duke of Holstein-Gottorp |
Adolphus Frederick V, Grand Duke of Mecklenburg-Strelitz | Princess Elisabeth of Anhalt | April 17, 1877 | 1877 | Second cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Afonso, Prince of Portugal | Isabella of Aragon, Queen of Portugal | 1490 | 1490 | Second cousins | John, Constable of Portugal |
Afonso II of Portugal | Urraca of Castile, Queen of Portugal | 1206 | 1206 | Second cousins once removed | Ramon Berenguer III, Count of Barcelona and Douce I, Countess of Provence |
Afonso III of Portugal | Matilda II, Countess of Boulogne (first wife) | 1239 | 1239 | Third cousins once removed | Fulk, King of Jerusalem |
Afonso III of Portugal | Beatrice of Castile (second wife) | 1253 | 1253 | First cousins twice removed | Alfonso VIII of Castile |
Afonso IV of Portugal | Beatrice of Castile | 12 September 1309 | 1309 | Half-first cousins once removed | Alfonso X of Castile |
Afonso V of Portugal | Isabel of Coimbra (first wife) | 6 May 1447 | 1447 | First cousins | John I of Portugal |
Afonso V of Portugal | Joanna la Beltraneja (second wife) | 10 May 1475 | 1475 | First cousins once removed[69] | Ferdinand I of Aragon |
Afonso of Portugal, Lord of Portalegre | Violante Manuel | 1287 | 1287 | First cousins once removed | Ferdinand III of Castile |
Agrippina the Elder | Germanicus | between 5 BC and 1 BC | -1 | Second cousins | Gaius Octavius and Atia Balba Caesonia |
Agrippina the Younger | Gnaeus Domitius Ahenobarbus | 28 | 28 | First cousins once removed | Mark Antony and Octavia the Younger |
Prince Aimone, Duke of Apulia | Princess Olga, Duchess of Apulia | 16 September 2008 | 2008 | Second cousins (through Prince Jean, Duke of Guise); second cousins once removed (through George I of Greece) | Prince Jean, Duke of Guise; George I of Greece |
Albert of Saxony | Carola of Vasa | 18 June 1853 | 1853 | Second cousins | Charles Louis, Hereditary Prince of Baden |
Prince Albert of Saxe-Altenburg | Princess Marie of Prussia (first wife) | 6 May 1885 | 1885 | Second cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Prince Albert of Saxe-Altenburg | Duchess Helene of Mecklenburg-Strelitz (second wife) | 13 December 1891 | 1891 | Second cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Prince Albert of Prussia | Princess Marianne of the Netherlands | 14 September 1830 | 1830 | First cousins | Frederick William II of Prussia |
Prince Albert of Prussia | Princess Marie of Saxe-Altenburg | 9 April 1873 | 1873 | Second cousins once removed | Frederick William II of Prussia |
Albert, 8th Prince of Thurn and Taxis | Archduchess Margarethe Klementine of Austria | 15 July 1890 | 1890 | Fourth cousins | Charles Alexander, Duke of Württemberg |
Albert I of Belgium | Elisabeth of Bavaria, Queen of Belgium | 2 October 1900 | 1900 | Third cousins | Charles Louis, Hereditary Prince of Baden |
Albert V, Duke of Bavaria | Archduchess Anna of Austria | July 4, 1546 | 1546 | Second cousins once removed | Frederick III, Holy Roman Emperor |
Albert VII, Archduke of Austria | Isabella Clara Eugenia | 18 April 1599 | 1599 | First cousins | Charles V, Holy Roman Emperor |
Albert, Duke of Prussia | Dorothea of Denmark, Duchess of Prussia (first wife) | 12 February 1526 | 1526 | Second cousins once removed; third cousins | Frederick I, Elector of Brandenburg; Frederick I, Elector of Saxony |
Albert, Duke of Prussia | Anna Marie of Brunswick-Lüneburg (second wife) | 1550 | 1550 | Half-first cousins twice removed | Albrecht III Achilles, Elector of Brandenburg |
Albert Casimir, Duke of Teschen | Maria Christina, Duchess of Teschen | 8 April 1766 | 1766 | Second cousins | Leopold I, Holy Roman Emperor |
Albrecht, Duke of Bavaria | Countess Maria Draskovich of Trakostjan | 3 September 1930 | 1930 | Fourth cousins once removed | Leopold II, Holy Roman Emperor |
Albrecht, Duke of Württemberg | Archduchess Margarete Sophie of Austria | 24 January 1893 | 1893 | Half-second cousins once removed | Maximilian I Joseph of Bavaria |
Alexander I of Scotland | Sybilla of Normandy | 1107 | 1107 | Sixth cousins | Hugh II, Count of Nordgau |
Alexander I of Russia | Louise of Baden | 28 September 1793 | 1793 | Fourth cousins | Albert II, Margrave of Brandenburg-Ansbach |
Alexander II of Russia | Marie of Hesse and by Rhine | 16 April 1841 | 1841 | Second cousins once removed | Louis IX, Landgrave of Hesse-Darmstadt; Prince George William of Hesse-Darmstadt |
Alexander II of Scotland | Joan of England, Queen of Scotland (first wife) | 21 June 1221 | 1221 | Half-third cousins (through [[Henry I of England) Third cousins once removed (through Malcolm III of Scotland) | Henry I of England Malcolm III of Scotland |
Alexander II of Scotland | Marie de Coucy (second wife) | 15 May 1239 | 1239 | Third cousins once removed | Hugh, Count of Vermandois |
Alexander III of Scotland | Margaret of England (first wife) | 26 December 1251 | 1251 | Half-fourth cousins (through Henry I of England ) Fourth cousins once removed (through Malcolm III of Scotland | Henry I of England Malcolm III of Scotland ) |
Alexander III of Scotland | Yolande of Dreux, Queen of Scotland (second wife) | 15 October 1285 | 1285 | Fourth cousins once removed | Robert I, Count of Dreux |
Alexander III of Russia | Dagmar of Denmark | 9 November 1866 | 1866 | Half-fifth cousins | Adolphus Frederick II, Duke of Mecklenburg-Strelitz |
Prince Alexander of Teck | Princess Alice of Albany | St George's Chapel, Windsor, 10 February 1904 | 1904 | Second cousins once removed | George III of the United Kingdom |
Alexander, Crown Prince of Yugoslavia | Princess Maria da Glória, Duchess of Segorbe | 1 July 1972 | 1972 | Fifth cousins once removed | Francis, Duke of Saxe-Coburg-Saalfeld |
Alexander, Margrave of Meissen | Princess Gisela of Bavaria | 3 April 1987 | 1987 | Half-fourth cousins | Leopold II, Grand Duke of Tuscany |
Duke Alexander of Württemberg | Princess Marie of Orléans | 18 October 1837 | 1837 | Fourth cousins | Louis Rudolph, Duke of Brunswick-Lüneburg |
Alexander Farnese, Duke of Parma | Infanta Maria of Guimarães | November 11, 1565 | 1565 | Second cousins once removed | Ferdinand II of Aragon and Isabella I of Castile |
Alexander Karl, Duke of Anhalt-Bernburg | Princess Friederike of Schleswig-Holstein-Sonderburg-Glücksburg | 30 October 1834 | 1834 | Second cousins | Frederick II, Landgrave of Hesse-Kassel |
Grand Duke Alexander Mikhailovich of Russia | Grand Duchess Xenia Alexandrovna of Russia | 6 August 1894 | 1894 | First cousins once removed | Nicholas I of Russia |
Duke Alexander Petrovich of Oldenburg | Princess Eugenia Maximilianovna of Leuchtenberg | 19 January 1868 | 1868 | Second cousins | Paul I of Russia |
Alexis, Landgrave of Hesse-Philippsthal-Barchfeld | Princess Louise of Prussia | 27 June 1854 | 1854 | Fifth cousins twice removed | Augustus the Younger, Duke of Brunswick-Lüneburg |
Alexis, Prince of Bentheim and Steinfurt | Princess Pauline of Waldeck and Pyrmont | 7 May 1881 | 1881 | Fifth cousins thrice removed | Ernest I, Duke of Saxe-Gotha |
Prince Alfons of Bavaria | Louise d'Orléans | 15 April 1891 | 1891 | Second cousins | Maximilian I Joseph of Bavaria |
Alfonso the Battler | Urraca of León | 1109 | 1109 | Half-second cousins | Sancho III of Pamplona |
Alfonso II d'Este, Duke of Ferrara | Archduchess Barbara of Austria (second wife) | 5 December 1565 | 1565 | Third cousins | Gaston IV, Count of Foix and Eleanor of Navarre |
Alfonso II d'Este, Duke of Ferrara | Margherita Gonzaga, Duchess of Ferrara (third wife) | 24 February 1579 | 1579 | Third cousins once removed | Gaston IV, Count of Foix and Eleanor of Navarre |
Alfonso IV of Aragon | Eleanor of Castile | 5 February 1329 | 1329 | First cousins once removed | Peter III of Aragon |
Alfonso V of Aragon | Maria of Castile, Queen of Aragon | 12 June 1415 | 1415 | First cousins | John I of Castile |
Alfonso VIII of Castile | Eleanor of England, Queen of Castile | 17 September 1177 | 1177 | Fourth cousins | Robert I, Duke of Burgundy |
Alfonso IX of León | Theresa of Portugal, Queen of León (first wife) | 15 February 1191 | 1191 | First cousins | Afonso I of Portugal |
Alfonso IX of León | Berengaria of Castile (second wife) | 17 December 1197 | 1197 | First cousins once removed | Alfonso VII of León |
Alfonso X of Castile | Violant of Aragon | January 1249 | 1249 | Third cousins | Alfonso VII of León |
Alfonso XI of Castile | Constanza Manuel (first wife) | 28 November 1325 | 1325 | Second cousins once removed | Ferdinand III of Castile |
Alfonso XI of Castile | Maria of Portugal (second wife) | 1328 | 1328 | Double first cousins | Sancho IV of Castile; Denis of Portugal |
Alfonso XII of Spain | Mercedes of Orléans (first wife) | Atocha, Madrid, 23 January 1878 | 1878 | First cousins | Ferdinand VII of Spain |
Alfonso XII of Spain | Archduchess Maria Christina of Austria (second wife) | Basilica of Atocha, Madrid, 29 November 1879 | 1879 | Third cousins | Charles III of Spain |
Prince Alfonso, Count of Caserta | Princess Maria Antonietta of Bourbon-Two Sicilies | 8 June 1868 | 1868 | First cousins | Francis I of the Two Sicilies |
Infante Alfonso, Duke of Calabria | Princess Alicia of Bourbon-Parma | 16 April 1936 | 1936 | Double second cousins | Ferdinand II of the Two Sicilies; Archduke Karl Ferdinand of Austria |
Infante Alfonso Carlos, Duke of San Jaime | Infanta Maria das Neves of Portugal | 26 April 1871 | 1871 | First cousins once removed | John VI of Portugal |
Alfred, Duke of Saxe-Coburg and Gotha | Grand Duchess Maria Alexandrovna of Russia | Winter Palace, St. Petersburg, 23 January 1874 | 1874 | Third cousins once removed | Duke Charles Louis Frederick of Mecklenburg |
Prince Alfred of Liechtenstein | Princess Henriette of Liechtenstein | 26 April 1865 | 1865 | First cousins | Johann I Joseph, Prince of Liechtenstein |
Alois, Hereditary Prince of Liechtenstein | Duchess Sophie in Bavaria | St. Florin's, Vaduz, 3 July 1993 | 1993 | Fifth cousins once removed | Maximilian I Joseph of Bavaria |
Alois-Konstantin, 9th Prince of Löwenstein-Wertheim-Rosenberg | Princess Anastasia of Prussia | 8 October 1965 | 1965 | Fourth cousins once removed | Karl Ludwig, Prince of Hohenlohe-Langenburg |
Prince Amedeo, Duke of Aosta | Princess Anne of Orléans | 5 November 1927 | 1927 | First cousins | Prince Philippe, Count of Paris |
Prince Amedeo, Duke of Aosta | Princess Claude of Orléans | 22 July 1964 | 1964 | Second cousins | Prince Philippe, Count of Paris |
Prince Amedeo of Belgium, Archduke of Austria-Este | Nob. Elisabetta Maria Rosboch von Wolkenstein | 5 July 2014 | 2014 | Distant cousins | Giuseppe Tiberio Ruffo, Count of Sinopoli; Franz Albrecht I, Prince of Oettingen-Spielberg |
Amadeus VIII, Duke of Savoy | Mary of Burgundy, Duchess of Savoy | 30 October 1393 | 1393 | First cousins once removed | John II of France |
Amadeus IX, Duke of Savoy | Yolande of Valois | 1452 | 1452 | Third cousins | John II of France |
Andreas, Prince of Leiningen | Princess Alexandra of Hanover | 5 October 1981 | 1981 | Double fourth cousins | Queen Victoria; Joseph, Duke of Saxe-Altenburg |
Prince Andrew of Greece and Denmark | Princess Alice of Battenberg | 6 October 1903 | 1903 | Fourth cousins | Frederick William II of Prussia |
Prince Andrew of Yugoslavia | Princess Christina Margarethe of Hesse (first wife) | 2 August 1956 | 1956 | Third cousins | Queen Victoria |
Prince Andrew of Yugoslavia | Princess Kira of Leiningen (second wife) | 18 September 1963 | 1963 | Second cousins | Alfred, Duke of Saxe-Coburg and Gotha |
Anne, Queen of Great Britain | Prince George of Denmark | 28 July 1683 | 1683 | Second cousins once removed | Frederick II of Denmark |
Anne of York, Duchess of Exeter | Henry Holland, 3rd Duke of Exeter | 30 July 1447 | 1447 | Half-second cousins | John of Gaunt |
Anthony of Saxony | Princess Maria Carolina of Savoy (first wife) | 29 September 1781 | 1781 | Fourth cousins | Victor Amadeus I, Duke of Savoy |
Anthony of Saxony | Maria Theresa of Austria (second wife) | 8 September 1787 | 1787 | First cousins once removed | Augustus III of Poland |
Duke Anthony Ulrich of Brunswick | Grand Duchess Anna Leopoldovna of Russia | 3 July 1739 | 1739 | Third cousins once removed | Johann VII, Duke of Mecklenburg |
Antoine, Duke of Lorraine | Renée of Bourbon | 26 June 1515 | 1515 | Third cousins | John I, Duke of Bourbon |
Antoine, Duke of Montpensier | Infanta Luisa Fernanda, Duchess of Montpensier | 10 October 1846 | 1846 | First cousins once removed | Ferdinand I of the Two Sicilies |
Prince Antoine of Bourbon-Two Sicilies | Duchess Elisabeth of Württemberg | 8 July 1958 | 1958 | First cousins once removed | Prince Alfonso, Count of Caserta |
Archduke Anton of Austria | Princess Ileana of Romania | 26 July 1931 | 1931 | Fourth cousins | John VI of Portugal |
Anton-Günther, Duke of Oldenburg | Princess Ameli of Löwenstein-Wertheim-Freudenberg | 7 August 1951 | 1951 | Fifth cousins once removed | Frederick II, Landgrave of Hesse-Kassel |
Anton Ulrich, Duke of Saxe-Meiningen | Princess Charlotte Amalie of Hesse-Philippsthal | 26 September 1750 | 1750 | Second cousins twice removed | Johann II, Duke of Saxe-Weimar |
Infante Antonio, Duke of Galliera | Infanta Eulalia of Spain | 6 March 1886 | 1886 | First cousins | Ferdinand VII of Spain |
Prince Antônio of Orléans-Braganza | Princess Christine de Ligne | 25 September 1981 | 1981 | Fourth cousins once removed | John VI of Portugal |
Antonio Farnese, Duke of Parma | Enrichetta d'Este | 5 February 1728 | 1728 | First cousins | Francesco I d'Este, Duke of Modena |
Infante Antonio Pascual of Spain | Infanta María Amalia of Spain | 25 August 1795 | 1795 | First cousins once removed[70] | Philip V of Spain |
Prince Aribert of Anhalt | Princess Marie Louise of Schleswig-Holstein | 6 July 1891 | 1891 | Fourth cousins | Duke Charles Louis Frederick of Mecklenburg |
Arthur II, Duke of Brittany | Marie, Viscountess of Limoges (first wife) | 1275 | 1275 | Third cousins | Robert II, Count of Dreux |
Arthur II, Duke of Brittany | Yolande of Dreux, Queen of Scotland (second wife) | May 1294 | 1294 | Third cousins | Robert II, Count of Dreux |
Arthur, Prince of Wales | Catherine of Aragon | 14 November 1501 | 1501 | Third cousins once removed (through John of Gaunt, 1st Duke of Lancaster); Double fourth cousins (through Peter of Castile) | John of Gaunt, 1st Duke of Lancaster; Peter of Castile |
Prince Arthur, Duke of Connaught and Strathearn | Princess Louise Margaret of Prussia | St. George's Chapel, Windsor Castle, 13 March 1879 | 1879 | Third cousins once removed | Duke Charles Louis Frederick of Mecklenburg |
Prince Arthur of Connaught | Princess Alexandra, Duchess of Fife | Chapel Royal, St. James's Palace, 15 October 1913 | 1913 | First cousins once removed | Queen Victoria |
Prince August, Duke of Dalarna | Princess Therese of Saxe-Altenburg | 16 April 1864 | 1864 | Third cousins | Prince George William of Hesse-Darmstadt |
Prince August of Saxe-Coburg and Gotha | Princess Clémentine of Orléans | 20 April 1843 | 1843 | Fourth cousins | Louis Rudolph, Duke of Brunswick-Lüneburg |
Prince August Leopold of Saxe-Coburg and Gotha | Archduchess Karoline Marie of Austria | 30 May 1894 | 1894 | Second cousins | Francis I of the Two Sicilies |
Prince August Wilhelm of Prussia | Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg | 22 October 1908 | 1908 | First cousins | Frederick VIII, Duke of Schleswig-Holstein |
Augustus, Duke of Saxe-Gotha-Altenburg | Duchess Louise Charlotte of Mecklenburg-Schwerin (first wife) | 21 October 1797 | 1797 | Second cousins | Frederick II, Duke of Saxe-Gotha-Altenburg |
Augustus, Duke of Saxe-Gotha-Altenburg | Princess Karoline Amalie of Hesse-Kassel (second wife) | 24 April 1802 | 1802 | Fourth cousins | John George I, Duke of Saxe-Eisenach |
Augustus, Grand Duke of Oldenburg | Princess Adelheid of Anhalt-Bernburg-Schaumburg-Hoym (first wife) | 24 July 1817 | 1817 | Fourth cousins | George I of Great Britain |
Augustus, Grand Duke of Oldenburg | Princess Ida of Anhalt-Bernburg-Schaumburg-Hoym (second wife) | 24 June 1825 | 1825 | Fourth cousins | George I of Great Britain |
Augustus, Grand Duke of Oldenburg | Princess Cecilia of Sweden (third wife) | 5 May 1831 | 1831 | Second cousins once removed | Christian August of Holstein-Gottorp, Prince of Eutin |
Augustus, Elector of Saxony | Anne of Denmark, Electress of Saxony | 7 October 1548 | 1548 | Second cousins once removed | Eric II, Duke of Pomerania |
Augustus II the Strong | Christiane Eberhardine of Brandenburg-Bayreuth | 20 January 1693 | 1693 | Second cousins | Christian, Margrave of Brandenburg-Bayreuth |
Augustus III of Poland | Maria Josepha of Austria | 20 August 1719 | 1719 | Second cousins once removed | George, Duke of Brunswick-Lüneburg |
Prince Augustus Ferdinand of Prussia | Margravine Elisabeth Louise of Brandenburg-Schwedt | 27 September 1755 | 1755 | Second cousins[69] | Frederick William, Elector of Brandenburg |
Prince Augustus William of Prussia | Duchess Luise of Brunswick-Wolfenbüttel | 6 January 1742 | 1742 | Fourth cousins once removed | Ernest I, Duke of Brunswick-Lüneburg |
Prince Axel of Denmark | Princess Margaretha of Sweden | 22 May 1919 | 1919 | First cousins once removed | Christian IX of Denmark |
Prince Benedetto, Duke of Chablais | Maria Anna of Savoy, Duchess of Chablais | 19 March 1775 | 1775 | Second cousins once removed[71] | Philippe I, Duke of Orléans |
Bernhard II, Duke of Saxe-Meiningen | Princess Marie Frederica of Hesse-Kassel | 23 March 1825 | 1825 | Third cousins once removed | Louis Crato, Count of Nassau-Saarbrücken |
Bernhard III, Duke of Saxe-Meiningen | Princess Charlotte of Prussia | 18 February 1878 | 1878 | Second cousins | Frederick William III of Prussia |
Prince Bernhard of Saxe-Weimar-Eisenach | Princess Ida of Saxe-Meiningen | 30 May 1816 | 1816 | Fourth cousins once removed | William, Duke of Saxe-Weimar |
Berthold, Margrave of Baden | Princess Theodora of Greece and Denmark | 17 August 1931 | 1931 | Second cousins | Christian IX of Denmark |
Birger, King of Sweden | Martha of Denmark | 25 November 1298 | 1298 | Double third cousins | Valdemar I of Denmark; Henry Borwin II, Lord of Mecklenburg |
Boris III of Bulgaria | Giovanna of Italy | 25 October 1930 | 1930 | Fourth cousins once removed | Francis I, Holy Roman Emperor and Maria Theresa |
Caligula | Lollia Paulina | 38 | 38 | Second cousins once removed | Drusus Claudius Nero I |
Prince Carl, Duke of Västergötland | Princess Ingeborg of Denmark | 27 August 1897 | 1897 | First cousins once removed | Oscar I of Sweden |
Carl, Duke of Württemberg | Princess Diane of Orléans | 21 July 1960 | 1960 | Double fourth cousins | Louis Philippe I; Francis I of the Two Sicilies |
Archduke Carl Christian of Austria | Princess Marie Astrid of Luxembourg | 6 February 1982 | 1982 | Second cousins | Robert I, Duke of Parma |
Carol I of Romania | Elisabeth of Wied | 15 November 1869 | 1869 | Fourth cousins once removed | Louis VIII, Landgrave of Hesse-Darmstadt |
Carol II of Romania | Princess Helen of Greece and Denmark | Metropolitan Cathedral of Athens, 10 March 1921 | 1921 | Second cousins (through Queen Victoria) Third cousins (through Nicholas I of Russia) | Queen Victoria and Nicholas I of Russia |
Carlos I of Portugal | Amélie of Orléans | 22 May 1886 | 1886 | Third cousins once removed | Charles IV of Spain |
Prince Carlos of Bourbon-Two Sicilies | Mercedes, Princess of Asturias (first wife) | 4 February 1901 | 1901 | Second cousins | Archduke Charles, Duke of Teschen |
Prince Carlos of Bourbon-Two Sicilies | Princess Louise of Orléans (second wife) | 16 November 1907 | 1907 | Double third cousins | Ferdinand I of the Two Sicilies; Charles IV of Spain |
Carlos, Duke of Madrid | Princess Margherita of Bourbon-Parma | 4 February 1867 | 1867 | Second cousins once removed | Charles IV of Spain |
Infante Carlos, Count of Molina | Infanta Maria Francisca of Portugal (first wife) | 22 September 1816 | 1816 | Second cousins once removed[69] | Philip V of Spain |
Infante Carlos, Count of Molina | Maria Teresa, Princess of Beira (second wife) | 20 October 1838 | 1838 | Second cousins once removed[69] | Philip V of Spain |
Infante Carlos, Count of Montemolin | Princess Maria Carolina of Bourbon-Two Sicilies | 10 July 1850 | 1850 | First cousins | Charles IV of Spain |
Infante Carlos, Duke of Calabria | Princess Anne of Orléans | 2 May 1965 | 1965 | Fourth cousins | Ferdinand VII of Spain |
Casimir, Margrave of Brandenburg-Bayreuth | Susanna of Bavaria | 25 August 1518 | 1518 | Second cousins once removed | Ernest, Duke of Austria |
Catherine the Great | Peter III of Russia | 21 August 1745 | 1745 | Second cousins | Christian Albert, Duke of Holstein-Gottorp |
Grand Duchess Catherine Mikhailovna of Russia | Duke Georg August of Mecklenburg-Strelitz | 16 February 1851 | 1851 | First cousins twice removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Grand Duchess Catherine Pavlovna of Russia | Duke George of Oldenburg (first husband) | 3 August 1809 | 1809 | First cousins | Frederick II Eugene, Duke of Württemberg |
Grand Duchess Catherine Pavlovna of Russia | William I of Württemberg (second husband) | Saint Petersburg, 24 January 1816 | 1816 | First cousins | Frederick II Eugene, Duke of Württemberg |
Princess Cécile Marita Dorothea of Hohenlohe-Langenburg (daughter of Kraft, Prince of Hohenlohe-Langenburg | Count Cyril Amédée de Commarque | 6 June 1998 | 1998 | Fifth cousins | Louis, Duke of Württemberg |
Charles the Bold, Duke of Burgundy | Catherine of France (first wife) | 19 May 1440 | 1440 | Third cousins | John II of France |
Charles the Bold, Duke of Burgundy | Isabella of Bourbon (second wife) | Lille, 30 October 1454 | 1454 | First cousins | John the Fearless, Duke of Burgundy |
Charles the Bold, Duke of Burgundy | Margaret of York (third wife) | Damme, 3 July 1468 | 1468 | Third cousins | Edward III of England |
Charles I of Austria | Princess Zita of Bourbon-Parma | Schwarzau Castle, 21 October 1911 | 1911 | Second cousins twice removed; fourth cousins | John VI of Portugal; Charles IV of Spain |
Charles I of England | Henrietta Maria of France | St Augustine's Abbey, Canterbury, Kent, 13 June 1625 | 1625 | Third cousins once removed | Francis, Count of Vendôme |
Charles I of Württemberg | Olga Nikolaevna of Russia | 13 July 1846 | 1846 | Second cousins | Frederick II Eugene, Duke of Württemberg |
Charles II, Duke of Parma | Princess Maria Teresa of Savoy | Lucca, 5 September 1820 | 1820 | Double second cousins | Philip, Duke of Parma; Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Charles II of England | Catherine of Braganza | Domus Dei, Portsmouth, Hampshire, 21 May 1662 | 1662 | Fifth cousins; seventh cousins once removed | Isabella I of Castile; Ferdinand I of Aragon |
Charles II of Spain | Marie Louise of Orléans (first wife) | 19 November 1679 | 1679 | First cousins once removed | Philip III of Spain |
Charles II of Spain | Maria Anna of Neuburg (second wife) | 28 August 1689 | 1689 | Second cousins once removed | William V, Duke of Bavaria |
Charles II, Elector Palatine | Princess Wilhelmine Ernestine of Denmark | 20 September 1671 | 1671 | Second cousins once removed | Frederick II of Denmark |
Charles II, Archduke of Austria | Maria Anna of Bavaria | 26 August 1571 | 1571 | Third cousins[69] | Frederick III, Holy Roman Emperor |
Charles II, Duke of Mantua and Montferrat | Archduchess Isabella Clara of Austria | 7 November 1649 | 1649 | Second cousins twice removed | Ferdinand I, Holy Roman Emperor |
Charles II, Grand Duke of Mecklenburg-Strelitz | Princess Friederike of Hesse-Darmstadt (first wife) | 18 September 1768 | 1768 | Third cousins once removed | Ernest I, Duke of Saxe-Gotha |
Charles II, Grand Duke of Mecklenburg-Strelitz | Princess Charlotte of Hesse-Darmstadt (second wife) | 28 September 1784 | 1784 | Third cousins once removed | Ernest I, Duke of Saxe-Gotha |
Charles III of Spain | Maria Amalia of Saxony | May 8, 1738 | 1738 | Fourth cousins | Philip III of Spain |
Charles III, Duke of Parma | Louise Marie Thérèse d'Artois | Schloss Frohsdorf, Austria, 10 November 1845 | 1845 | Second cousins | Victor Amadeus III of Sardinia |
Charles III William, Margrave of Baden-Durlach | Magdalena Wilhelmine of Württemberg | 27 June 1697 | 1697 | First cousins once removed | Frederick III, Duke of Holstein-Gottorp |
Charles IV of Spain | Maria Luisa of Parma | La Granja Palace, 4 September 1765 | 1765 | First cousins | Philip V of Spain |
Charles IV, Duke of Lorraine | Nicole, Duchess of Lorraine | 23 May 1621 | 1621 | First cousins | Charles III, Duke of Lorraine |
Charles V, Holy Roman Emperor | Isabella of Portugal | Seville, 10 March 1526 | 1526 | First cousins | Ferdinand II of Aragon and Isabella I of Castile |
Charles V, Duke of Lorraine | Eleanor of Austria, Queen of Poland | 6 February 1678 | 1678 | Third cousins | Francis I, Duke of Lorraine |
Charles VII of France | Marie of Anjou | 18 December 1422 | 1422 | Second cousins | John II of France |
Charles VII, Holy Roman Emperor | Maria Amalia of Austria | 5 October 1722 | 1722 | Third cousins | Ferdinand II, Holy Roman Emperor |
Charles VIII of France | Anne of Brittany | 6 December 1491 | 1491 | Third cousins | Charles V of France |
Charles IX of France | Elisabeth of Austria, Queen of France | 26 November 1570 | 1570 | Fourth cousins | Gaston IV, Count of Foix and Eleanor of Navarre |
Charles X of France | Princess Maria Theresa of Savoy | Palace of Versailles, 16 November 1773 | 1773 | Double second cousins once removed | Louis, Dauphin of France; Victor Amadeus II of Sardinia |
Charles X Gustav of Sweden | Hedwig Eleonora of Holstein-Gottorp | 24 October 1654 | 1654 | Third cousins | Philip I, Landgrave of Hesse |
Charles XI of Sweden | Ulrika Eleonora of Denmark | 26 September 1679 | 1679 | Second cousins once removed | Frederick II of Denmark |
Charles XIII of Sweden | Hedvig Elisabeth Charlotte of Holstein-Gottorp | 7 July 1774 | 1774 | First cousins | Christian August of Holstein-Gottorp, Prince of Eutin |
Charles XV of Sweden | Louise of the Netherlands | 19 June 1850 | 1850 | Third cousins | Prince George William of Hesse-Darmstadt |
Prince Charles of Hesse and by Rhine | Princess Elisabeth of Prussia | 22 October 1836 | 1836 | Second cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Prince Charles of Hesse-Kassel | Princess Louise of Denmark | 30 August 1766 | 1766 | First cousins Third cousins once removed | George II of Great Britain; William VI, Landgrave of Hesse-Kassel |
Prince Charles of Prussia | Princess Marie of Saxe-Weimar-Eisenach | 26 May 1827 | 1827 | Second cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Charles, Count of Angoulême | Louise of Savoy | 16 February 1488 | 1488 | Third cousins once removed | John II of France |
Charles, Duke of Aumale | Marie of Lorraine | 10 November 1576 | 1576 | First cousins | Claude, Duke of Guise |
Charles, Duke of Berry | Marie Louise Elisabeth d'Orléans | 6 July 1710 | 1710 | Half-first cousins | Louis XIV of France |
Charles, Prince of Viana | Agnes of Cleves | 30 September 1439 | 1439 | Third cousins | John II of France |
Charles, Prince of Wales | Diana Spencer (first wife) | St Paul's Cathedral, 29 July 1981 | 1981 | Seventh cousins once removed; Eighth cousins twice removed; Half-Ninth cousins; Double Ninth cousins once removed | William Cavendish, 3rd Duke of Devonshire; William Bowes; Ernest Augustus, Elector of Brunswick-Lüneburg; Henry Spencer, 1st Earl of Sunderland; Edward Villiers |
Charles, Prince of Wales | Camilla Shand Parker Bowles (second wife) | 9 April 2005 | 2005 | Ninth cousins once removed | Henry Cavendish, 2nd Duke of Newcastle |
Charles, Prince Napoléon | Princess Béatrice of Bourbon-Two Sicilies | 19 December 1978 | 1978 | Fourth cousins once removed | Leopold II, Holy Roman Emperor |
Charles Albert of Sardinia | Maria Theresa of Austria | 30 September 1817 | 1817 | Fourth cousins | Leopold I, Holy Roman Emperor |
Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach | Princess Sophie of the Netherlands | 8 October 1842 | 1842 | First cousins | Paul I of Russia |
Prince Charles Alexander of Lorraine | Archduchess Maria Anna of Austria | 7 January 1744 | 1744 | Half-second cousins | Ferdinand III, Holy Roman Emperor |
Charles Amadeus, Duke of Nemours | Élisabeth de Bourbon | 11 July 1643 | 1643 | Second cousins once removed | Philippe, Duke of Nemours |
Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach | Princess Pauline of Saxe-Weimar-Eisenach | 26 August 1873 | 1873 | Second cousins | Karl August, Grand Duke of Saxe-Weimar-Eisenach |
Charles Edward, Duke of Saxe-Coburg and Gotha | Princess Victoria Adelaide of Schleswig-Holstein | 11 October 1905 | 1905 | Half-second cousins once removed | Princess Victoria of Saxe-Coburg-Saalfeld |
Charles Emmanuel I, Duke of Savoy | Infanta Catherine Michelle of Spain | 1582 | 1582 | First cousins once removed (through Francis I of France); Second cousins (through Manuel I of Portugal) | Francis I of France; Manuel I of Portugal |
Charles Emmanuel II, Duke of Savoy | Françoise Madeleine d'Orléans (first wife) | 4 March 1663 | 1663 | First cousins | Henry IV of France |
Charles Emmanuel II, Duke of Savoy | Marie Jeanne Baptiste of Savoy-Nemours (second wife) | 20 May 1665 | 1665 | Half-first cousins once removed | Henry IV of France |
Charles Emmanuel III of Sardinia | Anne Christine of Sulzbach, Princess of Piedmont (first wife) | 15 March 1722 | 1722 | Fourth cousins | Frederick II of Denmark |
Charles Emmanuel III of Sardinia | Elisabeth Therese of Lorraine (third wife) | 1 April 1737 | 1737 | Half-first cousins | Philippe I, Duke of Orléans |
Charles Emmanuel IV of Sardinia | Marie Clotilde of France | Palace of Versailles, 27 August 1775 | 1775 | Double second cousin once removed | Victor Amadeus II of Sardinia; Louis, Dauphin of France |
Charles Eugene, Duke of Württemberg | Margravine Elisabeth Fredericka Sophie of Brandenburg-Bayreuth | 26 September 1748 | 1748 | Fourth cousins twice removed | Joachim Frederick, Elector of Brandenburg |
Charles Felix of Sardinia | Princess Maria Cristina of Naples and Sicily | Palermo, 6 April 1807 | 1807 | First cousins once removed | Philip V of Spain |
Charles Ferdinand, Duke of Berry | Marie-Caroline de Bourbon-Sicile, duchesse de Berry | 24 April 1816 | 1816 | Second cousins once removed | Philip V of Spain |
Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach | Grand Duchess Maria Pavlovna of Russia | 3 August 1804 | 1804 | Third cousins | Frederick William I of Prussia |
Charles Frederick, Grand Duke of Baden | Landgravine Caroline Louise of Hesse-Darmstadt | January 28, 1751 | 1751 | Half-second cousins once removed | Louis VI, Landgrave of Hesse-Darmstadt |
Charles Gonthier, Prince of Schwarzburg-Sondershausen | Princess Marie Gasparine of Saxe-Altenburg | 12 June 1869 | 1869 | Fourth cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Charles Louis, Hereditary Prince of Baden | Princess Amalie of Hesse-Darmstadt | 15 July 1775 | 1775 | First cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Charles Lucien Bonaparte | Zénaïde Bonaparte | 29 June 1822 | 1822 | First cousins | Carlo Buonaparte |
Prince Charles Philippe, Duke of Anjou | Diana Álvares Pereira de Melo, 11th Duchess of Cadaval | 21 June 2008 | 2008 | Fifth cousins once removed | Francis I of the Two Sicilies |
Archduke Charles Stephen of Austria | Archduchess Maria Theresa of Austria | 28 February 1886 | 1886 | Second cousins once removed | Leopold II, Holy Roman Emperor |
Charles Theodore, Elector of Bavaria | Countess Palatine Elisabeth Auguste of Sulzbach | 17 January 1742 | 1742 | First cousins | Theodore Eustace, Count Palatine of Sulzbach |
Charles William Ferdinand, Duke of Brunswick-Wolfenbüttel | Princess Augusta of Great Britain | 16 January 1764 | 1764 | Second cousins | George I of Great Britain |
Charles William Frederick, Margrave of Brandenburg-Ansbach | Princess Friederike Luise of Prussia | 30 May 1729 | 1729 | Fourth cousins twice removed | John George, Elector of Brandenburg |
Charlotte, Grand Duchess of Luxembourg | Prince Felix of Bourbon-Parma | 6 November 1919 | 1919 | First cousins | Miguel of Portugal |
Christian I of Denmark | Dorothea of Brandenburg | 26 October 1449 | 1449 | Fifth cousins once removed | Albert I, Duke of Brunswick-Lüneburg |
Christian II of Denmark | Isabella of Austria | 11 July 1514 | 1514 | Third cousins | Ernest, Duke of Austria |
Christian II, Elector of Saxony | Hedwig of Denmark | 12 September 1602 | 1602 | First cousins once removed | Christian III of Denmark |
Christian III of Denmark | Dorothea of Saxe-Lauenburg | 29 October 1525 | 1525 | Double third cousins | Frederick I, Elector of Brandenburg; Frederick I, Elector of Saxony |
Christian IV of Denmark | Anne Catherine of Brandenburg | 27 November 1597 | 1597 | Second cousins once removed | Joachim I Nestor, Elector of Brandenburg |
Christian V of Denmark | Charlotte Amalie of Hesse-Kassel | 25 June 1667 | 1667 | Second cousins once removed | Joachim Frederick, Elector of Brandenburg |
Christian VI of Denmark | Sophie Magdalene of Brandenburg-Kulmbach | 7 August 1721 | 1721 | Fourth cousins once removed | Christian III of Denmark |
Christian VII of Denmark | Princess Caroline Matilda of Wales | Christiansborg Palace, Copenhagen, 8 November 1766 | 1766 | First cousins | George II of Great Britain |
Christian VIII of Denmark | Duchess Charlotte Frederica of Mecklenburg-Schwerin (first wife) | Ludwigslust, 21 June 1806 | 1806 | First cousins | Ludwig, Duke of Mecklenburg-Schwerin |
Christian VIII of Denmark | Caroline Amalie of Augustenburg (second wife) | 22 May 1815 | 1815 | Half-First cousin once removed | Frederick V of Denmark |
Christian IX of Denmark | Louise of Hesse-Kassel | Amalienborg Palace, Copenhagen, 26 May 1842 | 1842 | Second cousins (through Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain); Half-Second cousins (through Frederick V of Denmark) | Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain; Frederick V of Denmark |
Christian X of Denmark | Alexandrine of Mecklenburg-Schwerin | 26 April 1898 | 1898 | Third cousins | Frederick William III of Prussia |
Christian, Prince-Elect of Denmark | Magdalene Sibylle of Saxony | 5 October 1634 | 1634 | Second cousins once removed | Christian III of Denmark |
Prince Christian of Schaumburg-Lippe | Princess Feodora of Denmark | 9 September 1937 | 1937 | First cousins | Frederick VIII of Denmark |
Prince Christian of Schleswig-Holstein | Princess Helena of the United Kingdom | 5 July 1866 | 1866 | Third cousins | Frederick, Prince of Wales |
Christian Albrecht, Prince of Hohenlohe-Langenburg | Caroline of Stolberg-Gedern | 13 April 1761 | 1761 | First cousins | Louis Crato, Count of Nassau-Saarbrücken |
Christian Albert, Duke of Holstein-Gottorp | Princess Frederica Amalia of Denmark | 24 October 1667 | 1667 | Double third cousins | Christian III of Denmark; John George, Elector of Brandenburg |
Christian August II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg | Countess Louise Sophie of Danneskiold-Samsøe | 18 September 1820 | 1820 | Third cousins | Christian Gyldenløve |
Christian Ernst, Margrave of Brandenburg-Bayreuth | Erdmuthe Sophie of Saxony (first wife) | 29 October 1662 | 1662 | First cousins | Christian, Margrave of Brandenburg-Bayreuth |
Christian Ernst, Margrave of Brandenburg-Bayreuth | Sofie Louise of Württemberg (second wife) | 8 February 1671 | 1671 | Second cousins once removed | John George, Elector of Brandenburg |
Christian Louis, Duke of Brunswick-Lüneburg | Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg | October 9, 1653 | 1653 | Second cousins | Christian III of Denmark |
Duke Christian Louis of Mecklenburg | Princess Barbara of Prussia | 5 July 1954 | 1954 | Fourth cousins | Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin |
Christian Ludwig II, Duke of Mecklenburg-Schwerin | Duchess Gustave Caroline of Mecklenburg-Strelitz | 13 November 1714 | 1714 | Half-first cousins | Adolf Frederick I, Duke of Mecklenburg |
Christopher II of Denmark | Euphemia of Pomerania | 1300 | 1300 | Double third cousins | Valdemar I of Denmark; Mestwin I, Duke of Pomerania |
Christopher of Bavaria | Dorothea of Brandenburg | 12 September 1445 | 1445 | Third cousins | Frederick II, Margrave of Meissen |
Prince Christopher of Greece and Denmark | Princess Françoise of Orléans | 11 February 1929 | 1929 | Fourth cousins once removed | Duke Louis of Mecklenburg-Schwerin |
Christopher, Duke of Mecklenburg | Dorothea of Denmark, Duchess of Mecklenburg | 27 October 1573 | 1573 | First cousins twice removed | Christian I of Denmark |
Claude, Duke of Guise | Antoinette de Bourbon | 9 June 1513 | 1513 | Fifth cousins once removed | Louis I, Duke of Bourbon |
Claudia Antonia | Faustus Cornelius Sulla Felix (second husband) | AD 47 | 0047 | Second cousins | Mark Antony |
Claudius, Emperor of Rome | Valeria Messalina (third wife) | Rome, AD 37 or AD 38 | 0038 | First cousins once removed | Mark Antony and Octavia Minor |
Claudius, Emperor of Rome | Agrippina the Younger (fourth wife) | 49 | 49 | Second cousins once removed[69] | Gaius Octavius and Atia Balba Caesonia |
Constantina | Hannibalianus (first husband) | 335 | 335 | Half-first cousins | Constantius Chlorus |
Constantina | Constantius Gallus (second husband) | 350 | 350 | Half-first cousins | Constantius Chlorus |
Constantine I of Greece | Sophia of Prussia | 27 October 1889 | 1889 | Second cousins once removed (through Frederick William III of Prussia); third cousins (through Paul I of Russia) | Frederick William III of Prussia; Paul I of Russia |
Constantine II of Greece | Princess Anne-Marie of Denmark | Athens, 18 September 1964 | 1964 | Double third cousins; third cousins once removed | Christian IX of Denmark; Queen Victoria |
Constantius II | Daughter of Julius Constantius | 335 | 335 | Half-first cousins | Constantius Chlorus |
Cosimo II de' Medici, Grand Duke of Tuscany | Archduchess Maria Maddalena of Austria | 1608 | 1608 | Second cousins twice removed | Philip I of Castile and Joanna of Castile |
Cosimo III de' Medici, Grand Duke of Tuscany | Marguerite Louise d'Orléans | 12 June 1661 | 1661 | Second cousins | Francesco I de' Medici, Grand Duke of Tuscany |
David II of Scotland | Joan of the Tower | 17 July 1328 | 1328 | Fourth cousins four times removed | Henry II of England |
Denis of Portugal | Elizabeth of Aragon | 1288 | 1288 | Third cousins once removed | Ramon Berenguer IV, Count of Barcelona and Petronilla of Aragon |
Denis, Lord of Cifuentes | Joan of Castile, Lady of Cifuentes | 1372 | 1372 | Second cousins once removed | Sancho IV of Castile |
Dominik Rainer Radziwiłł | Princess Eugénie of Greece and Denmark | 30 May 1938 | 1938 | Fourth cousins | Louis, Duke of Württemberg |
Countess Palatine Dorothea Sophie of Neuburg | Odoardo Farnese, Hereditary Prince of Parma (first husband) | 17 September 1690 | 1690 | Third cousins once removed | Albert V, Duke of Bavaria |
Countess Palatine Dorothea Sophie of Neuburg | Francesco Farnese, Duke of Parma (second husband) | 7 December 1696 | 1696 | Third cousins once removed | Albert V, Duke of Bavaria |
Drusus Caesar | Aemilia Lepida | 0036 | Third cousins | Scribonia |
Drusus Julius Caesar | Livilla | AD 4 | 0004 | First cousins | Tiberius Claudius Nero |
Duarte of Portugal, 4th Duke of Guimarães | Isabel of Braganza, Duchess of Guimarães | 1537 | 1537 | First cousins once removed | Ferdinand, Duke of Viseu |
Duarte Nuno, Duke of Braganza | Maria Francisca of Orléans-Braganza, Duchess of Braganza | 13 October 1942 | 1942 | Second cousins twice removed | John VI of Portugal |
Duncan II of Scotland | Ethelreda | Second cousins | Crínán of Dunkeld |
Edmund Crouchback | Blanche of Artois | 29 October 1276 | 1276 | Second cousins once removed | Henry II of England |
Edmund of Langley, 1st Duke of York | Infanta Isabella of Castile (first wife) | 1372 | 1372 | Third cousins twice removed | Ferdinand III of Castile |
Edmund of Langley, 1st Duke of York | Joan Holland (second wife) | c. 4 November 1393 | 1393 | Second cousins once removed | Edward I of England |
Eduard, Duke of Anhalt | Princess Louise Charlotte of Saxe-Altenburg | 6 February 1895 | 1895 | Second cousins | Frederick, Duke of Saxe-Altenburg |
Edward, King of Portugal | Eleanor of Aragon, Queen of Portugal | 22 September 1428 | 1428 | Half-first cousins once removed | Peter I of Portugal |
Edward I of England | Eleanor of Castile (first wife) | 1254 | 1254 | Second cousins once removed | Henry II |
Edward I of England | Margaret of France (second wife) | 8 September 1299 | 1299 | First cousins once removed | Ramon Berenguer IV, Count of Provence |
Edward II of England | Isabella of France | Boulogne-sur-Mer, 25 January 1308 | 1308 | Third cousins once removed | Alfonso VIII of Castile |
Edward III of England | Philippa of Hainault | York Minster, 24 January 1328 | 1328 | Second cousins | Philip III of France |
Edward IV of England | Elizabeth Woodville | 1 May 1464 | 1464 | Sixth cousins once removed | Blanche de Brienne, Baroness Tingry |
Edward VII of the United Kingdom | Princess Alexandra of Denmark | St. George's Chapel, Windsor Castle, 10 March 1863 | 1863 | Third cousins once removed (through Duke Louis of Mecklenburg-Schwerin) Double Fourth cousins (through George II of Great Britain and Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel) | Duke Louis of Mecklenburg-Schwerin; George II of Great Britain; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel |
Edward the Black Prince, Prince of Wales | Joan, 4th Countess of Kent | Windsor Castle, 10 October 1361 | 1361 | First cousins once removed | Edward I of England |
Edward of Norwich, 2nd Duke of York | Beatrice of Portugal | 29 August 1381 | 1381 | Second cousins once removed | Afonso IV of Portugal |
Edward of Westminster, Prince of Wales | Anne Neville | 13 December 1470 | 1470 | Half-third cousins | John of Gaunt |
Prince Edward, Duke of Kent and Strathearn | Princess Victoria of Saxe-Coburg-Saalfeld | 29 May 1818 | 1818 | Third cousins once removed | Frederick I, Duke of Saxe-Gotha-Altenburg |
Prince Edward, Earl of Wessex | Sophie Rhys-Jones | 19 June 1999 | 1999 | 11th cousins once removed | Nicholas St. John |
Prince Eitel Friedrich of Prussia | Duchess Sophia Charlotte of Oldenburg | 27 February 1906 | 1906 | Third cousins | Frederick William III of Prussia |
Eleanor of Leicester | Simon de Montfort, 6th Earl of Leicester | January 1238 | 1238 | Half-third cousins | Henry I of England |
Elias, Duke of Parma | Archduchess Maria Anna of Austria | 25 May 1903 | 1903 | Second cousins | Archduke Charles, Duke of Teschen |
Archduchess Elisabeth Franziska of Austria | Archduke Ferdinand Karl Viktor of Austria-Este (first husband) | Vienna, 4 October 1847 | 1847 | Second cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Archduchess Elisabeth Franziska of Austria | Archduke Karl Ferdinand of Austria (second husband) | Vienna, 18 April 1854 | 1854 | First cousins | Leopold II, Holy Roman Emperor |
Margravine Elisabeth Sophie of Brandenburg | Frederick Casimir Kettler (first husband) | 29 April 1691 | 1691 | First cousins | George William, Elector of Brandenburg |
Margravine Elisabeth Sophie of Brandenburg | Christian Ernst, Margrave of Brandenburg-Bayreuth (second husband) | 30 March 1703 | 1703 | Second cousins twice removed | John George, Elector of Brandenburg |
Queen Elizabeth II | Prince Philip, Duke of Edinburgh | Westminster Abbey, 20 November 1947 | 1947 | Second cousins once removed (through Christian IX of Denmark); Third cousins (through Queen Victoria); Fourth cousins (through Duke Louis of Württemberg) | Christian IX of Denmark; Queen Victoria; and Duke Louis of Württemberg |
Princess Elizabeth of Greece and Denmark | Carl Theodor, Count of Toerring-Jettenbach | 10 January 1934 | 1934 | Fourth cousins | Charles Louis, Hereditary Prince of Baden |
Duchess Elsa of Württemberg | Prince Albert of Schaumburg-Lippe | 6 May 1897 | 1897 | First cousins once removed | George William, Prince of Schaumburg-Lippe |
Emich, 5th Prince of Leiningen | Princess Feodore of Hohenlohe-Langenburg | 12 July 1894 | 1894 | Second cousins | Emich Carl, 2nd Prince of Leiningen and Princess Victoria of Saxe-Coburg-Saalfeld |
Emich Kyrill, Prince of Leiningen | Duchess Eilika of Oldenburg | 10 August 1950 | 1950 | Half-second cousins once removed | Frederick Francis II, Grand Duke of Mecklenburg-Schwerin |
Prince Emmanuel, Duke of Vendôme | Princess Henriette of Belgium | 12 February 1896 | 1896 | Second cousins | Louis Philippe I |
Prince Emanuele Filiberto, Duke of Aosta | Princess Hélène of Orléans | 25 June 1895 | 1895 | Double fourth cousins | Francis I, Holy Roman Emperor and Maria Theresa; Charles III of Spain |
Emmanuel Philibert, Duke of Savoy | Margaret of France, Duchess of Berry | 10 July 1559 | 1559 | Half-first cousins once removed | Philip II, Duke of Savoy |
Emmanuel Théodose de La Tour d'Auvergne | Marie Armande de La Trémoille | 1 February 1696 | 1696 | Second cousins once removed | Henri de La Tour d'Auvergne, Duke of Bouillon |
Enrichetta d'Este | Leopold of Hesse-Darmstadt | 23 March 1740 | 1740 | Third cousins | Louis V, Landgrave of Hesse-Darmstadt |
Eric II, Duke of Brunswick-Lüneburg | Sidonie of Saxony (first wife) | 17 May 1545 | 1545 | Third cousins once removed | Frederick I, Elector of Brandenburg |
Eric II, Duke of Brunswick-Lüneburg | Dorothea of Lorraine (second wife) | 26 November 1575 | 1575 | Third cousins | Christian I of Denmark |
Eric V of Denmark | Agnes of Brandenburg | 11 November 1273 | 1273 | Fifth cousins once removed | Sweyn II of Denmark |
Eric VI of Denmark | Ingeborg Magnusdotter of Sweden | 1297 | 1297 | Third cousins | Valdemar I of Denmark |
Prince Erik of Bourbon-Parma (son of Prince Michel of Bourbon-Parma) | Countess Lydia af Holstein-Ledreborg (daughter of Princess Marie Gabriele of Luxembourg) | 8 August 1980 | 1980 | Second cousins | Robert I, Duke of Parma |
Ernest I, Duke of Saxe-Gotha | Princess Elisabeth Sophie of Saxe-Altenburg | 24 October 1636 | 1636 | First cousins once removed | Johann Wilhelm, Duke of Saxe-Weimar |
Ernest I, Duke of Saxe-Coburg and Gotha | Princess Louise of Saxe-Gotha-Altenburg | 31 July 1817 | 1817 | Second cousins once removed | Francis Josias, Duke of Saxe-Coburg-Saalfeld |
Ernest II, Duke of Saxe-Coburg and Gotha | Princess Alexandrine of Baden | 13 May 1842 | 1842 | Fifth cousins once removed | William VI, Landgrave of Hesse-Kassel |
Ernest II, Duke of Saxe-Gotha-Altenburg | Princess Charlotte of Saxe-Meiningen | 21 March 1769 | 1769 | Half-first cousins once removed | Bernhard I, Duke of Saxe-Meiningen |
Ernest Augustus, Elector of Brunswick-Lüneburg | Sophia of the Palatinate | 30 September 1658 | 1658 | Second cousins once removed | Christian III of Denmark |
Ernest Augustus, King of Hanover | Frederica of Mecklenburg-Strelitz | Carlton House, London, 29 August 1815 | 1815 | First cousins | Duke Charles Louis Frederick of Mecklenburg |
Ernest Augustus, Crown Prince of Hanover | Princess Thyra of Denmark | 22 December 1878 | 1878 | Double Fourth cousins | George II of Great Britain; Count Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg |
Ernest Augustus, Duke of Brunswick | Princess Victoria Louise of Prussia | 24 May 1913 | 1913 | Third cousins once removed | George III of the United Kingdom |
Ernest Frederick I, Duke of Saxe-Hildburghausen | Countess Sophia Albertine of Erbach-Erbach | 4 February 1704 | 1704 | Second cousins | William of Nassau-Hilchenbach |
Ernest Frederick III, Duke of Saxe-Hildburghausen | Princess Ernestine of Saxe-Weimar | 1 July 1758 | 1758 | Fourth cousins | Johann II, Duke of Saxe-Weimar |
Ernest Günther, Duke of Schleswig-Holstein-Sonderburg-Augustenburg | Auguste of Schleswig-Holstein-Sonderburg-Glücksburg | 15 June 1651 | 1651 | First cousins | John II, Duke of Schleswig-Holstein-Sonderburg |
Ernest Leopold, Landgrave of Hesse-Rotenburg | Eleonore of Löwenstein-Wertheim | 9 November 1704 | 1704 | First cousins | Ferdinand Karl, Count of Löwenstein-Wertheim-Rochefort |
Ernst I, Duke of Saxe-Altenburg | Princess Agnes of Anhalt-Dessau | 28 April 1853 | 1853 | Second cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Ernst II, Duke of Saxe-Altenburg | Princess Adelaide of Schaumburg-Lippe | 17 February 1898 | 1898 | Double fourth cousins | Frederick II, Landgrave of Hesse-Kassel; Duke Louis of Mecklenburg-Schwerin |
Ernst II, Prince of Hohenlohe-Langenburg | Princess Alexandra of Saxe-Coburg and Gotha | 20 April 1896 | 1896 | Half second cousins | Princess Victoria of Saxe-Coburg-Saalfeld |
Ernst Frederick II, Duke of Saxe-Hildburghausen | Countess Caroline of Erbach-Fürstenau | 19 June 1726 | 1729 | Second cousins | George Albert I of Erbach-Breuberg |
Ernst Gunther, Duke of Schleswig-Holstein | Princess Dorothea of Saxe-Coburg and Gotha | 2 August 1898 | 1898 | Third cousins | Francis, Duke of Saxe-Coburg-Saalfeld |
Prince Ernst Heinrich of Saxony | Princess Sophie of Luxembourg | 12 April 1921 | 1921 | Second cousins twice removed | John VI of Portugal |
Ernst Ludwig I, Duke of Saxe-Meiningen | Dorothea Marie of Saxe-Gotha-Altenburg (first wife) | 19 September 1704 | 1704 | First cousins | Ernest I, Duke of Saxe-Gotha |
Ernst Ludwig I, Duke of Saxe-Meiningen | Margravine Elisabeth Sophie of Brandenburg (second wife) | 3 June 1714 | 1714 | Third cousins | Albert Frederick, Duke of Prussia |
Duke Eugen of Württemberg | Princess Helene of Hohenlohe-Langenburg | 11 September 1827 | 1827 | Third cousins | Louis Crato, Count of Nassau-Saarbrücken |
Duke Eugen of Württemberg | Princess Mathilde of Schaumburg-Lippe | 15 July 1843 | 1843 | First cousins | George I, Prince of Waldeck and Pyrmont |
Duke Eugen of Württemberg | Grand Duchess Vera Constantinovna of Russia | 4 May 1874 | 1874 | Third cousins | Frederick II Eugene, Duke of Württemberg |
Duke Eugen Eberhard of Württemberg (son of Princess Nadezhda of Bulgaria | Archduchess Alexandra of Austria | 1962 | 1962 | Third cousins | Ferdinand II of the Two Sicilies |
Princess Eugenie | Jack Brooksbank | 12 October 2018 | 2018 | Half-third cousins twice removed | Thomas Coke, 2nd Earl of Leicester |
Prince Eugenio, Duke of Genoa | Princess Lucia of Bourbon-Two Sicilies | 29 October 1938 | 1938 | Second cousins once removed | Ludwig I of Bavaria |
Princess Eulalia of Thurn and Taxis | Prince Philipp Ernst of Thurn and Taxis | 8 September 1929 | 1929 | Fourth cousins once removed | Alexander Ferdinand, 3rd Prince of Thurn and Taxis |
Eustace IV, Count of Boulogne | Constance of France, Countess of Toulouse | 1140 | 1140 | Third cousins once removed | Robert II of France |
Prince Feodor Alexandrovich of Russia | Irina Paley | 21 May 1923 | 1923 | First cousins once removed | Alexander II of Russia |
Ferdinand I of Austria | Princess Maria Anna of Savoy | Vienna, 27 February 1831 | 1831 | Second cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Ferdinand I of Bulgaria | Princess Marie Louise of Bourbon-Parma | 20 April 1893 | 1893 | Second cousins once removed | Ferdinand I of the Two Sicilies |
Ferdinand I of Portugal | Leonor Teles | 5 May 1372 | 1372 | Fifth cousins | Sancho I of Portugal |
Ferdinand I of Romania | Princess Marie of Edinburgh | 10 January 1893 | 1893 | Third cousins | Francis, Duke of Saxe-Coburg-Saalfeld |
Ferdinand I of Naples | Joanna of Aragon, Queen of Naples | 14 September 1477 | 1477 | First cousins | Ferdinand I of Aragon |
Ferdinand I of the Two Sicilies | Maria Carolina of Austria | 7 April 1768 | 1768 | Second cousins once removed | Leopold I, Holy Roman Emperor |
Ferdinand I, Holy Roman Emperor | Anne of Bohemia and Hungary | 26 May 1521 | 1521 | Half-second cousins once removed | John II of Aragon |
Ferdinand II of León | Urraca of Portugal (first wife) | May or June 1165 | 1165 | Half-second cousins | Alfonso VI of León and Castile |
Ferdinand II of León | Teresa Fernández de Traba (second wife) | 7 October 1178 | 1178 | Half-first cousins | Alfonso VI of León and Castile |
Ferdinand II of the Two Sicilies | Princess Maria Cristina of Savoy (first wife) | Cagliari, 21 November 1832 | 1832 | Second cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Ferdinand II of the Two Sicilies | Archduchess Maria Theresa of Austria (second wife) | Vienna, 9 January 1837 | 1837 | Double second cousins | Charles III of Spain; Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Ferdinand II, Holy Roman Emperor | Maria Anna of Bavaria (first wife) | 23 April 1600 | 1600 | First cousins | Albert V, Duke of Bavaria |
Ferdinand II, Holy Roman Emperor | Eleonora Gonzaga (second wife) | 2 February 1622 | 1622 | First cousins once removed | Ferdinand I, Holy Roman Emperor |
Ferdinand II, Archduke of Austria | Anna Juliana Gonzaga | 14 May 1582 | 1582 | Half-fourth cousins twice removed[69] | Ferdinand I of Aragon |
Ferdinand III, Holy Roman Emperor | Maria Anna of Spain (first wife) | 20 February 1631 | 1631 | First cousins | Charles II, Archduke of Austria |
Ferdinand III, Holy Roman Emperor | Maria Leopoldine of Austria (second wife) | 2 July 1648 | 1648 | First cousins | Charles II, Archduke of Austria |
Ferdinand III, Holy Roman Emperor | Eleonora Gonzaga (third wife) | 30 April 1651 | 1651 | Second cousins twice removed | Ferdinand I, Holy Roman Emperor |
Ferdinand III, Grand Duke of Tuscany | Princess Luisa of Naples and Sicily (first wife) | Florence, 15 August 1790 | 1790 | Double first cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria; Charles III of Spain and Maria Amalia of Saxony |
Ferdinand III, Grand Duke of Tuscany | Princess Maria Ferdinanda of Saxony (second wife) | 6 May 1821 | 1821 | First cousins once removed | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Ferdinand IV, Grand Duke of Tuscany | Princess Anna of Saxony (first wife) | 24 November 1856 | 1856 | Double third cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria; Philip, Duke of Parma |
Ferdinand IV, Grand Duke of Tuscany | Princess Alice of Parma (second wife) | 11 January 1868 | 1868 | Half-first cousins once removed | Francis I of the Two Sicilies |
Ferdinand IV of Castile | Constance of Portugal | 23 January 1302 | 1302 | Half-first cousins once removed | Alfonso X of Castile |
Ferdinand VI of Spain | Barbara of Portugal | 1729 | 1729 | Third cousins once removed | Philip III of Spain |
Ferdinand VII of Spain | Princess Maria Antonia of Naples and Sicily (first wife) | 6 October 1802 | 1802 | First cousins | Charles III of Spain |
Ferdinand VII of Spain | Maria Isabel of Portugal (second wife) | 29 September 1816 | 1816 | Second cousins once removed[69] | Philip V of Spain |
Ferdinand VII of Spain | Maria Josepha Amalia of Saxony (third wife) | 20 October 1819 | 1819 | First cousins once removed | Philip, Duke of Parma |
Ferdinand VII of Spain | Maria Christina of the Two Sicilies (fourth wife) | 11 December 1829 | 1829 | First cousins once removed[69] | Charles III of Spain |
Ferdinand, Duke of Parma | Archduchess Maria Amalia of Austria | 19 July 1769 | 1769 | Third cousins once removed | Louis XIII of France |
Ferdinand, Hereditary Prince of Denmark | Princess Caroline of Denmark | 1 August 1829 | 1829 | Half-first cousins once removed | Frederick V of Denmark |
Prince Ferdinand of Bavaria | Infanta Maria Teresa of Spain | 12 January 1906 | 1906 | First cousins | Isabel II of Spain |
Ferdinand, Duke of Breisgau | Maria Beatrice d'Este, Duchess of Massa | 5 October 1771 | 1771 | Second cousins once removed | Philippe I, Duke of Orléans |
Ferdinand, Duke of Viseu | Beatrice, Duchess of Viseu | 1447 | 1447 | First cousins | John I of Portugal |
Ferdinand, Hereditary Prince of Leiningen (son of Andreas, Prince of Leiningen and Princess Alexandra of Hanover) | Princess Viktoria Luise of Prussia | 29 April 2017 | 2017 | Second cousins once removed (through Kirill Vladimirovich, Grand Duke of Russia); third cousins (through Wilhelm II, German Emperor) | Kirill Vladimirovich, Grand Duke of Russia; Wilhelm II, German Emperor |
Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel | Princess Antoinette of Brunswick-Wolfenbüttel | 15 October 1712 | 1712 | First cousins once removed | Augustus the Younger, Duke of Brunswick-Lüneburg |
Ferdinand Charles, Archduke of Austria | Anna de' Medici, Archduchess of Austria | 10 June 1646 | 1646 | Double first cousins | Charles II, Archduke of Austria; Ferdinando I de' Medici, Grand Duke of Tuscany |
Prince Ferdinand Pius, Duke of Calabria | Princess Maria Ludwiga Theresia of Bavaria | 31 May 1897 | 1897 | Second cousins | Leopold II, Grand Duke of Tuscany |
Prince Ferdinando, Duke of Genoa | Princess Elisabeth of Saxony | 22 April 1850 | 1850 | Double third cousins | Augustus III of Poland; Francis I, Holy Roman Emperor and Maria Theresa |
Ferdinando Gonzaga, Duke of Mantua | Catherine de' Medici, Governor of Siena | February 16, 1617 | 1617 | First cousins once removed | Cosimo I de' Medici, Grand Duke of Tuscany |
Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat | Anna Isabella Gonzaga (first wife) | 1671 | 1671 | Second cousins once removed; third cousins | Charles Emmanuel I, Duke of Savoy; Cosimo I de' Medici, Grand Duke of Tuscany |
Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat | Suzanne Henriette of Lorraine (second wife) | 8 November 1704 | 1704 | Fifth cousins once removed | René II, Duke of Lorraine |
Ferdinando de' Medici, Grand Prince of Tuscany | Duchess Violante Beatrice of Bavaria | 9 January 1689 | 1689 | Third cousins | Charles II, Archduke of Austria |
Ferdinando II de' Medici, Grand Duke of Tuscany | Vittoria della Rovere | 26 September 1633 | 1633 | First cousins | Ferdinando I de' Medici, Grand Duke of Tuscany |
Fernando II, Duke of Braganza | Isabella of Viseu | 1472 | 1472 | Half-second cousins | John I of Portugal |
Flavia Domitilla | Titus Flavius Clemens | Second cousins | Titus Flavius Sabinus and Vespasia Polla |
Francesco I d'Este, Duke of Modena | Maria Caterina Farnese (first wife) | 11 January 1631 | 1631 | Third cousins | Charles V, Holy Roman Emperor |
Francesco I d'Este, Duke of Modena | Vittoria Farnese d'Este (second wife) | 12 February 1648 | 1648 | Third cousins | Charles V, Holy Roman Emperor |
Francesco II d'Este, Duke of Modena | Margherita Maria Farnese | 14 July 1692 | 1692 | First cousins | Francesco I d'Este, Duke of Modena |
Francesco III d'Este, Duke of Modena | Charlotte Aglaé d'Orléans | 11 February 1720 | 1720 | Third cousins | Frederick V, Elector Palatine |
Francesco IV Gonzaga, Duke of Mantua | Margaret of Savoy, Vicereine of Portugal | 19 February 1608 | 1608 | Third cousins | Philip I of Castile and Joanna of Castile |
Francesco Maria de' Medici, Duke of Rovere and Montefeltro | Eleonora Luisa Gonzaga | 14 July 1709 | 1709 | Third cousins once removed | Cosimo I de' Medici, Grand Duke of Tuscany |
Francis I of France | Claude of France, Duchess of Brittany (first wife) | Saint-Germain-en-Laye, 18 May 1514 | 1514 | Second cousins | Louis I, Duke of Orléans |
Francis I of France | Eleanor of Austria (second wife) | 4 July 1530 | 1530 | Second cousins once removed | Charles I, Duke of Bourbon |
Francis I of the Two Sicilies | Archduchess Maria Clementina of Austria (first wife) | Foggia, 26 June 1797 | 1797 | Double first cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria; Charles III of Spain and Maria Amalia of Saxony |
Francis I of the Two Sicilies | María Isabella of Spain (second wife) | Barcelona, 6 July 1820 | 1820 | First cousin | Charles III of Spain |
Francis I, Holy Roman Emperor | Maria Theresa of Austria | 12 February 1736 | 1736 | Half-second cousins | Ferdinand III, Holy Roman Emperor |
Francis II, Holy Roman Emperor | Princess Maria Theresa of Naples and Sicily (second wife) | 15 September 1790 | 1790 | Double first cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria; Charles III of Spain and Maria Amalia of Saxony |
Francis II, Holy Roman Emperor | Archduchess Maria Ludovika of Austria-Este (third wife) | 6 January 1808 | 1808 | First cousin | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Francis IV, Duke of Modena | Maria Beatrice of Savoy | 20 June 1812 | 1812 | Third cousins once removed[69] | Philippe I, Duke of Orléans |
Francis, Duke of Saxe-Coburg-Saalfeld | Princess Sophie of Saxe-Hildburghausen | 6 March 1776 | 1776 | Third cousins once removed | Ernest I, Duke of Saxe-Gotha |
Prince Francis, Count of Trapani | Archduchess Maria Isabella of Austria | 10 April 1850 | 1850 | First cousins once removed[69] | Ferdinand I of the Two Sicilies |
Francis, Duke of Teck | Princess Mary Adelaide of Cambridge | 12 June 1866 | 1866 | Third cousins once removed | George II of Great Britain |
Francis, Count of Vendôme | Marie of Luxembourg, Countess of Vendôme | 1487 | 1487 | Second cousins once removed | John I, Count of La Marche |
Francis Josias, Duke of Saxe-Coburg-Saalfeld | Princess Anna Sophie of Schwarzburg-Rudolstadt | 2 January 1723 | 1723 | First cousins once removed | Ernest I, Duke of Saxe-Gotha |
Infante Francisco de Paula of Spain | Princess Luisa Carlotta of Naples and Sicily | 12 June 1819 | 1819 | First cousins once removed[69] | Charles III of Spain |
François d'Orléans, Prince of Joinville | Princess Francisca of Brazil | 1 May 1843 | 1843 | First cousins once removed | Ferdinand I of the Two Sicilies |
François de Bourbon, Prince of Conti | Louise Marguerite of Lorraine | 24 July 1605 | 1605 | First cousins once removed | Charles, Duke of Vendôme |
François Louis, Prince of Conti | Marie Thérèse de Bourbon | 22 January 1688 | 1688 | First cousins once removed | Henri, Prince of Condé |
Franz, Duke of Hohenberg | Princess Elisabeth of Luxembourg | 9 May 1956 | 1956 | Half-fourth cousins | Francis I of the Two Sicilies |
Archduke Franz Ferdinand of Austria | Sophie, Duchess of Hohenberg | 1899 | 1899 | Distant Cousins | Albert IV, Count of Habsburg |
Franz Joseph I of Austria | Duchess Elisabeth in Bavaria | St. Augustine's Church, Vienna, 24 April 1854 | 1854 | First cousins | Maximilian I Joseph of Bavaria |
Franz Joseph II, Prince of Liechtenstein | Countess Georgina von Wilczek | 7 March 1943 | 1943 | Fourth cousins once removed | Joseph, 4th Prince Kinsky of Wchinitz and Tettau |
Franz Joseph, Prince of Hohenzollern-Emden | Princess Maria Alix of Saxony | 25 May 1921 | 1921 | Second cousins | Ferdinand II of Portugal and Maria II of Portugal |
Franz Joseph, 9th Prince of Thurn and Taxis | Princess Isabel Maria of Braganza | 23 November 1920 | 1920 | Fourth cousins | Charles III of Spain |
Archduke Franz Salvator of Austria | Archduchess Marie Valerie of Austria | 31 July 1890 | 1890 | Double third cousins | Leopold II, Holy Roman Emperor; Ferdinand I of the Two Sicilies |
Frederick I, Duke of Anhalt | Princess Antoinette of Saxe-Altenburg | 22 April 1854 | 1854 | Second cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Frederick I, Grand Duke of Baden | Princess Louise of Prussia | 20 September 1856 | 1856 | Third cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Frederick I of Denmark | Anna of Brandenburg (first wife) | 10 April 1502 | 1502 | Second cousins | Frederick I, Elector of Brandenburg |
Frederick I of Denmark | Sophie of Pomerania (second wife) | 9 October 1518 | 1518 | Third cousins once removed | Magnus II, Duke of Brunswick-Lüneburg |
Frederick I of Sweden | Princess Luise Dorothea of Prussia (first wife) | 31 May 1700 | 1700 | First cousins | William VI, Landgrave of Hesse-Kassel |
Frederick I of Sweden | Ulrika Eleonora, Queen of Sweden (second wife) | 24 March 1715 | 1715 | Third cousins once removed | Joachim Frederick, Elector of Brandenburg |
Frederick I of Württemberg | Duchess Augusta of Brunswick-Wolfenbüttel (first wife) | 15 October 1780 | 1780 | Second cousins | Frederick William I of Prussia |
Frederick I of Württemberg | Charlotte, Princess Royal (second wife) | 18 May 1797 | 1797 | Third cousins | George I of Great Britain |
Frederick I of Prussia | Elisabeth Henriette of Hesse-Kassel (first wife) | 1679 | 1679 | First cousins | George William, Elector of Brandenburg |
Frederick I of Prussia | Sophia Charlotte of Hanover (second wife) | 8 October 1684 | 1684 | Second cousins | Frederick IV, Elector Palatine |
Frederick II of Prussia | Elisabeth Christine of Brunswick-Wolfenbüttel-Bevern | 12 June 1733 | 1733 | Fourth cousins once removed | Ernest I, Duke of Brunswick-Lüneburg |
Frederick II of Denmark | Sophie of Mecklenburg-Güstrow | July 20, 1572 | 1572 | Half-first cousins | Frederick I of Denmark |
Frederick II, Elector Palatine | Dorothea of Denmark, Electress Palatine | 18 May 1535 | 1535 | Second cousins once removed | Frederick II, Elector of Saxony |
Frederick II, Elector of Saxony | Margaret of Austria, Electress of Saxony | 3 June 1431 | 1431 | Third cousins once removed | Albert I of Germany |
Frederick II, Grand Duke of Baden | Princess Hilda of Nassau | 20 September 1885 | 1885 | Third cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Frederick II, Duke of Saxe-Gotha-Altenburg | Princess Magdalena Augusta of Anhalt-Zerbst | 7 June 1696 | 1696 | First cousins | Augustus, Duke of Saxe-Weissenfels |
Frederick II, Landgrave of Hesse-Kassel | Princess Mary of Great Britain (first wife) | 28 June 1740 | 1740 | Fourth cousins | Frederick IV, Elector Palatine |
Frederick II, Landgrave of Hesse-Kassel | Margravine Philippine of Brandenburg-Schwedt (second wife) | 10 January 1773 | 1773 | Fourth cousins | Frederick IV, Elector Palatine |
Frederick II Eugene, Duke of Württemberg | Margravine Friederike of Brandenburg-Schwedt | 2 November 1753 | 1753 | Fourth cousins once removed | Joachim Frederick, Elector of Brandenburg |
Frederick III, German Emperor | Victoria, Princess Royal | Chapel Royal, St. James's Palace, 25 January 1858 | 1858 | Third cousins | Duke Charles Louis Frederick of Mecklenburg |
Frederick III of Denmark | Sophie Amalie of Brunswick-Lüneburg | 1 October 1643 | 1643 | Second cousins | Christian III of Denmark |
Frederick III, Duke of Holstein-Gottorp | Duchess Marie Elisabeth of Saxony | 21 February 1630 | 1630 | Second cousins once removed | Christian III of Denmark |
Frederick III, Duke of Saxe-Gotha-Altenburg | Princess Luise Dorothea of Saxe-Meiningen | 17 September 1729 | 1729 | First cousins | Frederick I, Duke of Saxe-Gotha-Altenburg |
Frederick IV of Denmark | Louise of Mecklenburg-Güstrow | 5 December 1695 | 1695 | Third cousins | Frederick II of Denmark |
Frederick IV, Duke of Holstein-Gottorp | Hedvig Sophia of Sweden | 12 May 1698 | 1698 | First cousins (through Frederick III of Denmark); first cousins once removed (though Frederick III, Duke of Holstein-Gottorp) | Frederick III of Denmark; Frederick III, Duke of Holstein-Gottorp |
Frederick IV, Landgrave of Hesse-Homburg | Ulrike Louise of Solms-Braunfels | 10 October 1746 | 1746 | First cousins | Wilhelm Moritz, Count of Solms-Braunfels |
Frederick V, Elector Palatine | Elizabeth Stuart, Queen of Bohemia | 14 February 1613 | 1613 | Fourth cousins | Magnus II, Duke of Mecklenburg |
Frederick V, Landgrave of Hesse-Homburg | Landgravine Caroline of Hesse-Darmstadt | 27 September 1768 | 1768 | Fourth cousins twice removed | George I, Landgrave of Hesse-Darmstadt |
Frederick V of Denmark | Louise of Great Britain (first wife) | 11 December 1743 | 1743 | Third cousins once removed | George, Duke of Brunswick-Lüneburg |
Frederick V of Denmark | Juliana Maria of Brunswick-Wolfenbüttel (second wife) | 8 July 1752 | 1752 | Half-third cousins | John Albert II, Duke of Mecklenburg |
Frederick VI of Denmark | Princess Marie Sophie of Hesse-Kassel | Gottorp, 31 July 1790 | 1790 | First cousins | Frederick V of Denmark |
Frederick VI, Landgrave of Hesse-Homburg | Princess Elizabeth of the United Kingdom | 7 April 1818 | 1818 | Fourth cousins | Albert II, Margrave of Brandenburg-Ansbach |
Frederick VII of Denmark | Princess Vilhelmine Marie of Denmark (first wife) | Copenhagen, 1 November 1828 | 1828 | Second cousins | Frederick V of Denmark |
Frederick VII of Denmark | Duchess Caroline Mariane of Mecklenburg (second wife) | 10 June 1841 | 1841 | Third cousins once removed | Adolphus Frederick II, Duke of Mecklenburg-Strelitz |
Frederick VIII of Denmark | Louise of Sweden | 28 July 1869 | 1869 | Triple Fourth cousins once removed | George II of Great Britain; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel; Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg |
Frederick IX of Denmark | Princess Ingrid of Sweden | Stockholm, 24 May 1935 | 1935 | Double third cousins (through Oscar I of Sweden and Leopold, Grand Duke of Baden); fourth cousins once removed (through Paul I of Russia) | Oscar I of Sweden; Leopold, Grand Duke of Baden; Paul I of Russia |
Frederick the Simple | Constance of Aragon, Queen of Sicily | 11 April 1361 | 1361 | Second cousins once removed | Peter III of Aragon |
Frederick, Prince of Wales | Princess Augusta of Saxe-Gotha | 27 April 1736 | 1736 | Third cousins once removed | Johann II, Duke of Saxe-Weimar |
Prince Frederick, Duke of York and Albany | Princess Frederica Charlotte of Prussia | 29 September 1791 | 1791 | Third cousins | George I of Great Britain |
Prince Frederick of the Netherlands | Princess Louise of Prussia | 21 May 1825 | 1825 | First cousins | Frederick William II of Prussia |
Prince Frederick of Prussia | Princess Luise of Anhalt-Bernburg | 21 November 1817 | 1817 | Fourth cousins once removed | George I of Great Britain |
Prince Frederick of Schaumburg-Lippe | Princess Louise of Denmark (first wife) | 5 May 1896 | 1896 | Second cousins | Prince William of Hesse-Kassel |
Prince Frederick of Schaumburg-Lippe | Princess Antoinette of Anhalt (second wife) | 26 May 1909 | 1909 | Second cousins | Prince William of Hesse-Kassel |
Prince Frederick of Württemberg | Princess Catherine of Württemberg | 20 November 1845 | 1845 | First cousins | Frederick I of Württemberg |
Frederick, Duke of Württemberg-Neuenstadt | Clara Augusta of Brunswick-Lüneburg | 7 June 1653 | 1653 | Fourth cousins once removed | John Cicero, Elector of Brandenburg |
Frederick, Duke of Saxe-Altenburg | Duchess Charlotte Georgine of Mecklenburg-Strelitz | 3 September 1785 | 1785 | Second cousins | Ernest Frederick I, Duke of Saxe-Hildburghausen |
Frederick, Prince of Hohenzollern | Princess Margarete Karola of Saxony | 2 June 1920 | 1920 | Second cousins | Ferdinand II of Portugal and Maria II of Portugal |
Prince Frederick of Hohenzollern-Sigmaringen | Princess Louise of Thurn and Taxis | 21 June 1879 | 1879 | Second cousins once removed | Charles Louis, Hereditary Prince of Baden |
Frederick, Margrave of Brandenburg-Bayreuth | Wilhelmine of Prussia, Margravine of Brandenburg-Bayreuth | November 20, 1731 | 1731 | Fourth cousins twice removed | John George, Elector of Brandenburg |
Frederick Anton, Prince of Schwarzburg-Rudolstadt | Princess Sophia Wilhelmina of Saxe-Coburg-Saalfeld | 8 February 1720 | 1720 | First cousins once removed | Ernest I, Duke of Saxe-Gotha |
Frederick August I, Duke of Oldenburg | Princess Ulrike Friederike Wilhelmine of Hesse-Kassel | 21 November 1752 | 1752 | Fourth cousins once removed | Joachim Frederick, Elector of Brandenburg |
Prince Frederick Augustus of Anhalt-Dessau | Princess Marie Luise Charlotte of Hesse-Kassel | 11 September 1832 | 1832 | Fifth cousins | Albert II, Margrave of Brandenburg-Ansbach |
Frederick Augustus II, Grand Duke of Oldenburg | Princess Elisabeth Anna of Prussia (first wife) | 18 February 1878 | 1878 | Third cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Frederick Augustus II, Grand Duke of Oldenburg | Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin (second wife) | 24 October 1896 | 1896 | Third cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Frederick Augustus II of Saxony | Archduchess Marie Caroline of Austria | 7 October 1819 | 1819 | Second cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Frederick Augustus III of Saxony | Archduchess Louise of Austria | 21 November 1891 | 1891 | Double third cousins once removed | Leopold II, Holy Roman Emperor; Charles IV of Spain |
Prince Frederick Charles of Hesse | Princess Margaret of Prussia | 25 January 1893 | 1893 | Double second cousins | Frederick William III of Prussia; Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach |
Frederick Charles, Duke of Württemberg-Winnental | Margravine Eleonore Juliane of Brandenburg-Ansbach | 31 October 1682 | 1682 | Second cousins once removed | John George, Elector of Brandenburg |
Frederick Christian, Elector of Saxony | Duchess Maria Antonia of Bavaria | 13 June 1747 | 1747 | First cousins | Joseph I, Holy Roman Emperor |
Frederick Christian II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg | Princess Louise Auguste of Denmark | 27 May 1786 | 1786 | Third cousins once removed | Christian V of Denmark |
Frederick Francis I, Grand Duke of Mecklenburg-Schwerin | Princess Louise of Saxe-Gotha-Altenburg | 1 June 1775 | 1775 | Third cousins | Ernest I, Duke of Saxe-Gotha |
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin | Princess Anna of Hesse and by Rhine (second wife) | 4 July 1864 | 1864 | Second cousins | Frederick William II of Prussia |
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin | Princess Marie of Schwarzburg-Rudolstadt (third wife) | 4 July 1868 | 1868 | Third cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Frederick Francis III, Grand Duke of Mecklenburg-Schwerin | Grand Duchess Anastasia Mikhailovna of Russia | 24 January 1879 | 1879 | Second cousins; second cousins once removed | Frederick William III of Prussia; Paul I of Russia |
Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin | Princess Alexandra of Hanover | 7 June 1904 | 1904 | Fourth cousins once removed | Duke Louis of Mecklenburg-Schwerin |
Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin | Princess Caroline Louise of Saxe-Weimar-Eisenach | 1 July 1810 | 1810 | Fifth cousins once removed | Johann II, Duke of Saxe-Weimar |
Frederick William I of Prussia | Princess Sophia Dorothea of Hanover | 28 November 1706 | 1706 | First cousins | Ernest Augustus, Elector of Brunswick-Lüneburg and Sophia of the Palatinate |
Frederick William II of Prussia | Elisabeth Christine of Brunswick-Wolfenbüttel (first wife) | Schloss Salzdahlum, 14 July 1765 | 1765 | Double first cousins | Frederick William I of Prussia and Princess Sophia Dorothea of Hanover; Ferdinand Albert II, Duke of Brunswick-Lüneburg and Duchess Antoinette of Brunswick-Wolfenbüttel |
Frederick William II of Prussia | Frederika Louisa of Hesse-Darmstadt (second wife) | 14 July 1769 | 1769 | fifth cousins | Louis V, Landgrave of Hesse-Darmstadt |
Frederick William III of Prussia | Louise of Mecklenburg-Strelitz | 24 December 1793 | 1793 | Second cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Frederick William IV of Prussia | Elisabeth Ludovika of Bavaria | 29 November 1823 | 1823 | Second cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Frederick William, Grand Duke of Mecklenburg-Strelitz | Princess Augusta of Cambridge | 28 June 1843 | 1843 | First cousins through Prince Frederick of Hesse-Kassel; second cousins through Duke Charles Louis Frederick of Mecklenburg | Prince Frederick of Hesse-Kassel; Duke Charles Louis Frederick of Mecklenburg |
Frederick William, Duke of Brunswick-Wolfenbüttel | Princess Marie of Baden | 1 November 1802 | 1802 | Half-third cousins once removed | John Frederick, Margrave of Brandenburg-Ansbach |
Prince Frederick William of Hesse-Kassel | Grand Duchess Alexandra Nikolaevna of Russia (first wife) | 28 January 1844 | 1844 | Half-fourth cousins | Adolphus Frederick II, Duke of Mecklenburg-Strelitz |
Prince Frederick William of Hesse-Kassel | Princess Anna of Prussia (second wife) | 26 May 1853 | 1853 | Half-fourth cousins | Adolphus Frederick II, Duke of Mecklenburg-Strelitz |
Prince Frederick William of Solms-Braunfels | Frederica of Mecklenburg-Strelitz | 10 December 1798 | 1798 | Fourth cousins twice removed | Johann VII, Duke of Mecklenburg |
Frederick William, Margrave of Brandenburg-Schwedt | Princess Sophia Dorothea of Prussia | 10 November 1734 | 1734 | First cousins once removed | Frederick William, Elector of Brandenburg |
Duke Friedrich of Württemberg | Princess Marie of Wied | 11 November 1993 | 1993 | Sixth cousins once removed | Frederick II Eugene, Duke of Württemberg |
Friedrich II, Duke of Anhalt | Princess Marie of Baden | 2 July 1889 | 1889 | Double third cousins once removed | Frederick William II of Prussia; Charles II, Grand Duke of Mecklenburg-Strelitz |
Friedrich, Prince of Waldeck and Pyrmont | Princess Bathildis of Schaumburg-Lippe | 9 August 1895 | 1895 | Second cousins | George I, Prince of Waldeck and Pyrmont |
Prince Friedrich of Saxe-Meiningen | Countess Adelaide of Lippe-Biesterfeld | 24 April 1889 | 1889 | Second cousins once removed | Karl Ludwig, Prince of Hohenlohe-Langenburg |
Duke Friedrich August of Oldenburg | Princess Marie Cécile of Prussia | 3 December 1965 | 1965 | Fourth cousins once removed | Frederick William III of Prussia |
Friedrich Christian, Margrave of Meissen | Princess Elisabeth Helene of Thurn and Taxis | 16 June 1923 | 1923 | Third cousins | Maximilian I Joseph of Bavaria |
Prince Friedrich Christian of Schaumburg-Lippe | Princess Marie Louise of Schleswig-Holstein-Sonderburg-Glücksburg | 15 October 1962 | 1962 | Second cousins | George William, Prince of Schaumburg-Lippe |
Friedrich Ferdinand, Duke of Schleswig-Holstein | Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg | 19 March 1885 | 1885 | Third cousins once removed | Frederick V of Denmark |
Prince Friedrich Ferdinand of Schleswig-Holstein-Sonderburg-Glücksburg | Duchess Anastasia of Mecklenburg-Schwerin | 1 September 1943 | 1943 | Second cousins once removed | Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg |
Friedrich Günther, Prince of Schwarzburg | Princess Sophie of Saxe-Weimar-Eisenach | 7 March 1938 | 1938 | Fifth cousins | Frederick William II of Prussia |
Friedrich Günther, Prince of Schwarzburg-Rudolstadt | Auguste of Anhalt-Dessau (first wife) | 15 April 1816 | 1816 | First cousins | Frederick V, Landgrave of Hesse-Homburg |
Friedrich Günther, Prince of Schwarzburg-Rudolstadt | Countess Helene of Reina (second wife) | 7 August 1855 | 1855 | First cousins once removed | Frederick V, Landgrave of Hesse-Homburg |
Friedrich Josias, Prince of Saxe-Coburg and Gotha | Countess Viktoria-Luise of Solms-Baruth | 25 January 1942 | 1942 | First cousins | Friedrich Ferdinand, Duke of Schleswig-Holstein |
Prince Friedrich Karl of Prussia | Princess Maria Anna of Anhalt-Dessau | 29 November 1854 | 1854 | Second cousins | Frederick William II of Prussia |
Prince Friedrich Sigismund of Prussia | Princess Marie Louise of Schaumburg-Lippe | April 27, 1916 | 1916 | Third cousins once removed | Frederick William III of Prussia |
Friedrich Wilhelm II, Duke of Saxe-Altenburg | Magdalene Sibylle of Saxony | 1 October 1652 | 1652 | Second cousins | William, Duke of Jülich-Cleves-Berg |
Friedrich Wilhelm, Prince of Wied | Princess Guda of Waldeck and Pyrmont | 9 September 1958 | 1958 | Second cousins once removed | George Victor, Prince of Waldeck and Pyrmont |
Friedrich Wilhelm, Prince of Hohenzollern | Princess Margarita of Leiningen | 5 January 1951 | 1951 | Half-fourth cousins twice removed | Charles Frederick, Grand Duke of Baden |
Infante Gabriel of Spain | Infanta Maria Ana Vitória of Portugal | 12 April 1785 | 1785 | First cousins once removed | Philip V of Spain |
Prince Gabriel of Bourbon-Two Sicilies | Princess Malgorzata Izabella Czartoryska | 25 August 1927 | 1927 | Third cousins once removed | Ferdinand I of the Two Sicilies |
Prince Gaetan, Count of Girgenti | Isabella, Princess of Asturias | 13 May 1868 | 1868 | First cousins once removed | Francis I of the Two Sicilies |
Gaius Caesar | Livilla | 1 BC | 1 BC | Second cousins | Gaius Octavius and Atia Balba Caesonia |
Gaston, Duke of Orléans | Marie de Bourbon, Duchess of Montpensier (first wife) | 6 August 1626 | 1626 | Fourth cousins | John VIII, Count of Vendôme |
Gaston, Duke of Orléans | Marguerite of Lorraine (second wife) | 2–3 January 1632 | 1632 | Third cousins once removed | Philip I of Castile and Joanna of Castile |
Gaston, Count of Marsan | Marie Louise de Rohan | 4 June 1736 | 1736 | Third cousins | Charles I, Duke of Elbeuf |
Gaston, Count of Eu | Isabel, Princess Imperial of Brazil | 15 October 1864 | 1864 | Second cousins | Ferdinand I of the Two Sicilies |
Geoffrey II, Duke of Brittany | Constance, Duchess of Brittany | July 1181 | 1181 | Half-second cousins; third cousins | Henry I of England; Malcolm III of Scotland |
Georg, Duke of Saxe-Altenburg | Duchess Marie Louise of Mecklenburg-Schwerin | 7 October 1825 | 1825 | Half-third cousins once removed | Adolphus Frederick II, Duke of Mecklenburg-Strelitz |
Georg II, Duke of Saxe-Meiningen | Princess Charlotte of Prussia (first wife) | 18 May 1850 | 1850 | Second cousins | Frederick William II of Prussia |
Georg II, Duke of Saxe-Meiningen | Princess Feodora of Hohenlohe-Langenburg (second wife) | 23 October 1858 | 1858 | Second cousins | Christian Albrecht, Prince of Hohenlohe-Langenburg |
Georg, Prince of Schaumburg-Lippe | Princess Marie Anne of Saxe-Altenburg | 16 April 1882 | 1882 | Fifth cousins | George II of Great Britain |
Prince Georg of Bavaria | Archduchess Isabella of Austria | 10 February 1912 | 1912 | Third cousins once removed | Leopold II, Holy Roman Emperor |
Georg Alexander, Duke of Mecklenburg | Archduchess Ilona of Austria | 20 February 1946 | 1946 | Fifth cousins once removed | Frederick II Eugene, Duke of Württemberg |
Georg Donatus, Hereditary Grand Duke of Hesse | Princess Cecilie of Greece and Denmark | 2 February 1931 | 1931 | First cousins once removed | Louis IV, Grand Duke of Hesse |
Georg Friedrich, Prince of Prussia | Princess Sophie of Isenburg | Potsdam, 25 August 2011 | 2011 | Sixth cousin once-removed | Charles II, Grand Duke of Mecklenburg |
George Plantagenet, 1st Duke of Clarence | Lady Isabel Neville | Calais, France, 11 July 1469 | 1469 | First cousins once removed | Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort |
George I of Greece | Olga Constantinovna of Russia | 27 October 1867 | 1867 | Triple Fourth cousins once removed | George II of Great Britain; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel; Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg |
George I of Great Britain | Duchess Sophia Dorothea of Brunswick-Celle | 22 November 1682 | 1682 | First cousins | George, Duke of Brunswick-Lüneburg |
George II of Great Britain | Caroline of Ansbach | 22 August 1705 | 1705 | Third cousins once removed | John George, Elector of Brandenburg |
George II of Greece | Princess Elisabeth of Romania | Bucharest, 27 February 1921 | 1921 | Second cousins (through Queen Victoria), Third cousins (through Nicholas I of Russia) | Queen Victoria, Nicholas I of Russia |
George II, Landgrave of Hesse-Darmstadt | Sophia Eleonore of Saxony | April 1, 1627 | 1627 | Half-first cousins once removed | John George, Elector of Brandenburg |
George III of the United Kingdom | Charlotte of Mecklenburg-Strelitz | 08 Sept 1761 | 1761 | Half-Second cousins twice removed (through Adolf Frederick I, Duke of Mecklenburg); Third cousins (through Ernest I, Duke of Saxe-Gotha) Fourth cousins twice removed (through Edzard II, Count of East Frisia) | Adolf Frederick I, Duke of Mecklenburg; Ernest I, Duke of Saxe-Gotha; Edzard II, Count of East Frisia |
George IV of the United Kingdom | Princess Caroline of Brunswick-Wolfenbüttel | Chapel Royal, St. James's Palace, 8 April 1795 | 1795 | First cousins | Frederick, Prince of Wales and Princess Augusta of Saxe-Gotha-Altenburg |
George V of the United Kingdom | Princess Mary of Teck | Chapel Royal, St. James's Palace, 6 July 1893 | 1893 | Double second cousins once removed | George III of the United Kingdom; Landgrave Frederick III of Hesse-Kassel |
George V of Hanover | Marie of Saxe-Altenburg | 18 February 1843 | 1843 | First cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
George VI of the United Kingdom | Elizabeth Bowes-Lyon | 26 April 1923 | 1923 | Double 13th cousins; 13th cousins once removed; 14th cousins; Half-14th cousins once removed; 15th cousins; | Henry VII of England; George Douglas, Master of Angus; John Stewart, 1st Earl of Atholl; John Stewart, 1st Earl of Lennox; James Hamilton, 1st Lord Hamilton; James I of Scotland |
George, King of Saxony | Infanta Maria Anna of Portugal | 11 May 1859 | 1859 | Third cousins once removed | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
George, Duke of Saxony | Barbara Jagiellon | 21 November 1496 | 1496 | Second cousins twice removed | Algirdas |
George, Grand Duke of Mecklenburg-Strelitz | Princess Marie of Hesse-Kassel | 12 August 1817 | 1817 | Fourth cousins | Albert II, Margrave of Brandenburg-Ansbach |
Prince George, Duke of Kent | Princess Marina of Greece and Denmark | Westminster Abbey 29 November 1934 | 1934 | Second cousins | Christian IX of Denmark |
George Maximilianovich, 6th Duke of Leuchtenberg | Duchess Therese Petrovna of Oldenburg | 12 May 1879 | 1879 | Second cousins | Paul I of Russia |
Grand Duke George Mikhailovich of Russia | Princess Maria of Greece and Denmark | 30 April 1900 | 1900 | First cousins once removed | Nicholas I of Russia |
George Victor, Prince of Waldeck and Pyrmont | Princess Helena of Nassau (first wife) | 26 September 1853 | 1853 | Second cousins | Charles Christian, Prince of Nassau-Weilburg |
George Victor, Prince of Waldeck and Pyrmont | Princess Louise of Schleswig-Holstein-Sonderburg-Glücksburg (second wife) | 29 April 1891 | 1891 | First cousins once removed | George I, Prince of Waldeck and Pyrmont |
Prince George William of Hesse-Darmstadt | Countess Maria Louise Albertine of Leiningen-Falkenburg-Dagsburg | 16 March 1748 | 1748 | Third cousins | Christian I, Count Palatine of Birkenfeld-Bischweiler |
Gian Galeazzo Visconti, Duke of Milan | Caterina Visconti | Church of San Giovanni in Conca, 2 October 1380 | 1380 | First cousins | Stefano Visconti |
Gottfried, Prince of Hohenlohe-Langenburg | Princess Margarita of Greece and Denmark | 20 April 1931 | 1931 | Second cousins once removed (through Queen Victoria); Third cousins (through Nicholas I of Russia); Third cousins once removed (through Duke Louis of Württemberg); | Queen Victoria; Nicholas I of Russia; Duke Louis of Württemberg |
Archduke Gottfried of Austria | Princess Dorothea of Bavaria | 2 August 1938 | 1938 | Second cousins once removed | Leopold II, Grand Duke of Tuscany |
Prince Guillaume of Luxembourg | Princess Sibilla of Luxembourg | 8 September 1994 | 1994 | Triple Fifth cousins once removed (through Charles IV of Spain; Francis, Duke of Saxe-Coburg-Saalfeld; and Frederick William, Prince of Nassau-Weilburg) Half-Fifth cousins once removed (through Francis I of the Two Sicilies) | Charles IV of Spain; Francis I of the Two Sicilies; Francis, Duke of Saxe-Coburg-Saalfeld; Frederick William, Prince of Nassau-Weilburg |
Gustaf V of Sweden | Victoria of Baden | 20 September 1881 | 1881 | Third cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Gustaf VI Adolf of Sweden | Princess Margaret of Connaught (first wife) | 15 June 1905 | 1905 | Third cousins | Frederick William III of Prussia |
Gustaf VI Adolf of Sweden | Louise Mountbatten (second wife) | 3 November 1923 | 1923 | Fourth cousins | Frederick William II of Prussia |
Prince Gustaf Adolf, Duke of Västerbotten | Princess Sibylla of Saxe-Coburg and Gotha | 20 October 1932 | 1932 | Second cousins | Queen Victoria |
Gustav III of Sweden | Sophia Magdalena of Denmark | 1 October 1766 | 1766 | Second cousins | George I of Great Britain |
Gustav, Prince of Vasa | Princess Louise Amelie of Baden | 9 November 1830 | 1830 | First cousins | Charles Louis, Hereditary Prince of Baden |
Gustavus Adolphus of Sweden | Maria Eleonora of Brandenburg | 25 November 1620 | 1620 | Third cousins once removed | Christian I of Denmark |
Haakon VI of Norway | Margaret I of Denmark | 9 April 1363 | 1363 | Fourth cousins once removed | Valdemar II of Denmark |
Haakon VII of Norway | Princess Maud of Wales | Buckingham Palace, 22 July 1896 | 1896 | First cousins | Christian IX of Denmark |
Hadrian | Vibia Sabina | 100 | 100 | Second cousins once removed | Traianus |
Hans-Adam I, Prince of Liechtenstein | Erdmuthe Maria Theresia of Dietrichstein | 16 February 1681 | 1681 | First cousins | Maximilian, Prince of Dietrichstein |
Hans-Adam II, Prince of Liechtenstein | Marie Aglaë, Countess Kinsky von Wchinitz und Tettau | 30 July 1967 | 1967 | Second cousins once removed | Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau |
Prince Harald of Denmark | Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg | 28 April 1909 | 1909 | Second cousins | Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg |
Prince Heinrich I Reuss of Köstritz | Duchess Woizlawa Feodora of Mecklenburg | 15 September 1939 | 1939 | Fourth cousins | Paul I of Russia |
Heinrich XXII, Prince Reuss of Greiz | Princess Ida of Schaumburg-Lippe | 8 October 1872 | 1872 | Second cousins once removed | Charles Christian, Prince of Nassau-Weilburg |
Heinrich XXVII, Prince Reuss Younger Line | Princess Elise of Hohenlohe-Langenburg | 11 November 1884 | 1884 | Second cousins (through Karl Ludwig, Prince of Hohenlohe-Langenburg; Third cousins (through Frederick II Eugene, Duke of Württemberg) | Karl Ludwig, Prince of Hohenlohe-Langenburg; Frederick II Eugene, Duke of Württemberg |
Prince Heinrich XXXIII Reuss of Köstritz | Princess Victoria Margaret of Prussia | 17 May 1913 | 1913 | Fourth cousins | Frederick William II of Prussia |
Prince Heinrich XXXV Reuss of Köstritz (son of Heinrich VII, Prince Reuss of Köstritz) | Princess Maria of Saxe-Altenburg (daughter of Prince Albert of Saxe-Altenburg) | 20 April 1911 | 1911 | Second cousins once removed | Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach |
Princess Helena of the United Kingdom | Prince Christian of Schleswig-Holstein | Windsor Castle, 5 July 1866 | 1866 | Third cousins | Frederick, Prince of Wales |
Henri, Count of Chambord | Archduchess Maria Theresa of Austria-Este | 16 November 1846 | 1846 | Second cousins | Victor Amadeus III of Sardinia |
Henri d'Orléans, Duke of Aumale | Princess Maria Carolina of Bourbon-Two Sicilies | 25 November 1844 | 1844 | First cousins | Ferdinand I of the Two Sicilies |
Henri, Count of Paris | Princess Isabelle of Orléans-Braganza | 8 April 1931 | 1931 | Double third cousins | Louis Philippe I; Pedro I of Brazil |
Henri d'Orléans, Count of Paris | Duchess Marie Thérèse of Württemberg | 5 July 1957 | 1957 | Double fourth cousins | Louis Philippe I; Francis I of the Two Sicilies |
Henri, Prince of Condé | Marie of Cleves, Princess of Condé (first wife) | 1572 | 1572 | First cousins | Charles, Duke of Vendôme |
Henri, Prince of Condé | Charlotte Catherine de La Trémoille (second wife) | 6 March 1586 | 1586 | Second cousins once removed | Guillaume, seigneur de Montmorency |
Henri, Prince of Condé | Charlotte Marguerite de Montmorency | 1609 | 1609 | First cousins once removed | Anne de Montmorency |
Henri Jules, Prince of Condé | Anne Henriette of Bavaria | 11 December 1663 | 1663 | Fourth cousins | Charles, Duke of Vendôme |
Princess Henrietta Anne of England | Philippe I, Duke of Orléans | 31 March 1661 | 1661 | First cousins | Henry IV of France |
Henry I, Duke of Guise | Catherine of Cleves | 4 October 1570 | 1570 | Second cousins | Francis, Count of Vendôme |
Henry I of Castile | Mafalda of Portugal | 1215 | 1215 | Second cousins once removed | Ramon Berenguer III, Count of Barcelona and Douce I, Countess of Provence |
Henry I of Navarre | Blanche of Artois | February 1269 | 1269 | Double third cousins once removed | Theobald II, Count of Champagne; Alfonso VII of León |
Henry I of England | Matilda of Scotland (first wife) | 11 November 1100 | 1100 | Third cousins (through Malcolm II of Scotland) Half-Sixth cousins (through Edward the Elder) | Malcolm II of Scotland and Edward the Elder |
Henry I of England | Adeliza of Louvain (second wife) | 24 January 1121 | 1121 | Fourth cousins | Mathilde von Sachsen |
Henry II of England | Eleanor of Aquitaine | 18 May 1152 | 1152 | Half-third cousins | Ermengarde of Anjou |
Henry II, Duke of Lorraine | Catherine de Bourbon (first wife) | 31 January 1599 | 1599 | Second cousins once removed | Charles, Count of Angoulême |
Henry II, Duke of Lorraine | Margherita Gonzaga, Duchess of Lorraine (second wife) | 24 April 1606 | 1606 | Third cousins | Philip I of Castile and Joanna of Castile |
Henry III of England | Eleanor of Provence | 14 January 1236 | 1236 | Fourth cousins | Humbert II, Count of Savoy |
Henry III, Duke of Mecklenburg | Ingeborg of Denmark, Duchess of Mecklenburg | 1362 | 1362 | Third cousins; Fourth cousins once removed | Barnim I, Duke of Pomerania; Valdemar II of Denmark |
Henry IV of England | Mary de Bohun (first wife) | 27 July 1380 | 1380 | Second cousins (through Henry, 3rd Earl of Lancaster); Third cousins (through Edward I of England | Henry, 3rd Earl of Lancaster; Edward I of England |
Henry IV of England | Joan of Navarre (second wife) | 7 February 1403 | 1403 | Third cousins | Philip IV of France and Joan I of Navarre |
Henry IV of France | Margaret of Valois (first wife) | Notre Dame Cathedral, 18 August 1572 | 1572 | Second cousins | Charles, Count of Angoulême |
Henry IV of France | Marie de' Medici (second wife) | 17 December 1600 | 1600 | Fourth cousins | Gaston IV, Count of Foix and Eleanor of Navarre |
Henry IV of Castile | Blanche II of Navarre (first wife) | 1440 | 1440 | First cousins | Ferdinand I of Aragon |
Henry IV of Castile | Joan of Portugal (second wife) | 21 May 1455 | 1455 | First cousins (though Ferdinand I of Aragon); Half-Second cousins (through John of Gaunt) | Ferdinand I of Aragon; John of Gaunt |
Henry V of England | Catherine of Valois | 2 June 1420 | 1420 | Third cousins once removed | Charles, Count of Valois |
Henry VI of England | Margaret of Anjou | Titchfield, Hampshire, 23 April 1445 | 1445 | Third cousins | John II of France |
Henry VII of England | Elizabeth of York | Westminster Abbey, 18 January 1486 | 1486 | Third cousins | John of Gaunt, 1st Duke of Lancaster and Katherine de Roet |
Henry VIII of England | Catherine of Aragon (first wife) | Greenwich Palace, 11 June 1509 (annulled 23 May 1533) | 1509 | Third cousins once removed (through John of Gaunt, 1st Duke of Lancaster); Double fourth cousins (through Peter of Castile) | John of Gaunt, 1st Duke of Lancaster; Peter of Castile |
Henry VIII of England | Anne Boleyn (second wife) | Westminster Abbey, 25 January 1533 (annulled 17 May 1536) | 1533 | Fifth cousins once removed Seventh cousins once removed | Richard FitzAlan, 10th Earl of Arundel Edward I of England |
Henry VIII of England | Jane Seymour (third wife) | York Place, 30 May 1536 | 1536 | Fifth cousins | Philippa, 5th Countess of Ulster |
Henry VIII of England | Anne of Cleves (fourth wife) | Greenwich Palace, 6 January 1540 (annulled 9 July 1540) | 1540 | Ninth cousins | Edward I of England |
Henry VIII of England | Catherine Howard (fifth wife) | Oatlands Palace, 28 July 1540 (annulled 23 November 1541) | 1540 | Fifth cousins once removed Seventh cousins once removed | Richard FitzAlan, 10th Earl of Arundel Edward I of England |
Henry VIII of England | Catherine Parr (sixth wife) | Hampton Court Palace, London, 12 July 1543 | 1543 | Third cousins (through Sir Richard Wydeville); Third cousins once removed (through Lady Joan Beaufort) Double fourth cousins once removed (through Thomas Holland, 2nd Earl of Kent and John of Gaunt, 1st Duke of Lancaster) | Sir Richard Wydeville; Lady Joan Beaufort; Thomas Holland, 2nd Earl of Kent; John of Gaunt, 1st Duke of Lancaster |
Henry the Young King | Margaret of France, Queen of England and Hungary | 27 August 1172 | 1172 | Fourth cousins | Robert I, Duke of Burgundy |
Prince Henry of the Netherlands | Princess Amalia of Saxe-Weimar-Eisenach (first wife) | 19 May 1853 | 1853 | Fourth cousins | Frederick William I of Prussia |
Prince Henry of the Netherlands | Princess Marie of Prussia (second wife) | 23 August 1878 | 1878 | First cousins twice removed (though Paul I of Russia); second cousins once removed (through Frederick William II of Prussia) | Paul I of Russia; Frederick William II of Prussia |
Prince Henry, Count of Bardi | Princess Maria Luisa of Bourbon-Two Sicilies (first wife) | 25 November 1873 | 1873 | Half-first cousins once removed | Francis I of the Two Sicilies |
Prince Henry, Count of Bardi | Infanta Adelgundes, Duchess of Guimarães (second wife) | 15 October 1876 | 1876 | Second cousins once removed | Charles IV of Spain |
Henry, Duke of Villena | Infanta Catherine, Duchess of Villena | November 1418 | 1418 | First cousins | John I of Castile |
Prince Henry of Prussia | Princess Wilhelmina of Hesse-Kassel | 25 June 1752 | 1752 | Fourth cousins once removed | Louis V, Landgrave of Hesse-Darmstadt |
Henry the Lion | Clementia of Zähringen (first wife) | 1147 | 1147 | Third cousins once removed | Bernard II, Duke of Saxony |
Henry the Lion | Matilda of England, Duchess of Saxony (second wife) | 1 February 1168 | 1168 | Third cousins twice removed; fourth cousins once removed | Baldwin IV, Count of Flanders; Richard II, Duke of Normandy |
Henry Julius, Duke of Brunswick-Lüneburg | Dorothea of Saxony (first wife) | 26 September 1585 | 1585 | Third cousins | John Cicero, Elector of Brandenburg |
Henry Julius, Duke of Brunswick-Lüneburg | Elizabeth of Denmark, Duchess of Brunswick-Wolfenbüttel (second wife) | 19 April 1590 | 1590 | Second cousins once removed | Joachim I Nestor, Elector of Brandenburg |
Archduke Hubert Salvator of Austria | Princess Rosemary of Salm-Salm | 25 November 1926 | 1926 | Fourth cousins | Leopold II, Holy Roman Emperor |
Prince Hubertus of Prussia | Princess Magdalena Reuss of Köstritz | 5 June 1943 | 1943 | Third cousins | Heinrich LXIII, Prince Reuss of Köstritz |
Princess Iniga of Thurn and Taxis | Prince Eberhard von Urach (son of Wilhelm Karl, Duke of Urach) | 18 May 1948 | 1948 | Second cousins once removed | Duke Maximilian Joseph in Bavaria |
Princess Irene of Hesse and by Rhine | Prince Henry of Prussia | 24 May 1888 | 1888 | First cousins (through Queen Victoria); Third cousins (through Frederick William II of Prussia); | Queen Victoria and Frederick William II of Prussia |
Princess Isabel Alfonsa of Bourbon-Two Sicilies | Jan Kanty Zamoyski | 9 March 1929 | 1929 | First cousins once removed | Prince Francis, Count of Trapani |
Isabella I of Castile | Ferdinand II of Aragon | Palacio de los Vivero, Valladolid, 19 October 1469 | 1469 | Second cousins | John I of Castile |
Isabella II of Spain | Francis, Duke of Cádiz | 10 October 1846 | 1846 | Double first cousins | Charles IV of Spain and Princess Maria Luisa of Parma; Francis I of the Two Sicilies and Infanta María Isabella of Spain |
Jacqueline, Countess of Hainaut | John, Duke of Touraine (first husband) | 6 August 1415 | 1415 | Second cousins | John II of France |
Jacqueline, Countess of Hainaut | John IV, Duke of Brabant (second husband) | 10 March 1418 | 1418 | First cousins | Philip the Bold |
Jacqueline, Countess of Hainaut | Humphrey, Duke of Gloucester (third husband) | 15 October 1423 | 1423 | Third cousins | William I, Count of Hainaut |
Jacques of Savoy, Count of Romont | Marie of Luxembourg, Countess of Vendôme | 1484 | 1484 | Second cousins once removed[69] | John I, Count of La Marche |
James I of England | Anne of Denmark | Old Bishop's Palace in Oslo, 23 November 1589 | 1589 | Third cousins once removed | Christian I of Denmark |
James I of Scotland | Joan Beaufort, Queen of Scots | 12 February 1424 | 1424 | Fifth cousins once removed | John Fitzgeoffrey |
James I of Aragon | Eleanor of Castile | 1221 | 1221 | Second cousins | Alfonso VII of León |
James II of England | Anne Hyde (first wife) | 3 September 1660 | 1660 | Ninth cousins once removed | Eleanor of Lancaster |
James II of England | Mary of Modena (second wife) | 21 November 1673 | 1673 | Third cousins once removed; Fourth cousins twice removed | Cosimo I de' Medici, Grand Duke of Tuscany; Philip I of Castile and Joanna of Castile |
James II of Scotland | Mary of Guelders | 3 July 1449 | 1449 | Fourth cousins once removed | William I, Count of Hainaut |
James II, Count of Urgell | Isabella of Aragon, Countess of Urgell | 29 June 1407 | 1407 | First cousins once removed | Alfonso IV of Aragon |
James II of Aragon | Isabella of Castile, Queen of Aragon | 1 December 1291 | 1291 | First cousins once removed | James I of Aragon |
James III of Majorca | Constance of Aragon, Queen of Majorca | 24 September 1336 | 1336 | Second cousins once removed | James I of Aragon |
James III of Scotland | Margaret of Denmark, Queen of Scotland | July 1469 | 1469 | Fifth cousins | Louis IV, Holy Roman Emperor |
James IV of Scotland | Margaret Tudor | Holyrood Abbey, Edinburgh, 8 August 1503 | 1503 | Third cousins | John Beaufort, 1st Earl of Somerset |
James V of Scotland | Madeleine of Valois (first wife) | 1 January 1537 | 1537 | Third cousins once removed | Adolph I, Duke of Cleves |
James V of Scotland | Mary of Guise (second wife) | May 18, 1538 | 1538 | Third cousins | Arnold, Duke of Guelders |
James Francis Edward Stuart | Maria Clementina Sobieska | 3 September 1719 | 1719 | Fourth cousins once removed | Ferdinand I, Holy Roman Emperor |
Jean, Grand Duke of Luxembourg | Princess Joséphine Charlotte of Belgium | 9 April 1953 | 1953 | Second cousins once removed | Miguel I of Portugal |
Prince Jean, Duke of Guise | Princess Isabelle of Orléans | 30 October 1899 | 1899 | First cousins | Ferdinand Philippe, Duke of Orléans |
Prince Joachim of Prussia | Princess Marie-Auguste of Anhalt | 11 March 1916 | 1916 | Double fourth cousins | Frederick William II of Prussia; Charles II, Grand Duke of Mecklenburg-Strelitz |
Joachim I Nestor, Elector of Brandenburg | Elizabeth of Denmark, Electress of Brandenburg | 10 April 1502 | 1502 | Double second cousins once removed | Frederick I, Elector of Brandenburg; Frederick I, Elector of Saxony |
Joachim II Hector, Elector of Brandenburg | Magdalena of Saxony (first wife) | 6 November 1524 | 1524 | Second cousins once removed | Frederick II, Elector of Saxony |
Joachim II Hector, Elector of Brandenburg | Hedwig Jagiellon, Electress of Brandenburg (second wife) | 1 September 1535 | 1535 | Second cousins once removed | Albert II of Germany |
Joan of Acre | Gilbert de Clare, 7th Earl of Gloucester | 30 April 1290 | 1290 | Half-fifth cousins | Henry I of England |
Joanna I of Naples | Andrew, Duke of Calabria (first husband) | 26 September 1333 | 1333 | Second cousins | Charles II of Naples |
Joanna I of Naples | Louis I of Naples (second husband) | 22 August 1347 | 1347 | First cousins (through Charles, Count of Valois); first cousins once removed (through Charles II of Naples) | Charles, Count of Valois; Charles II of Naples |
Joanna I of Naples | James IV of Majorca (third husband) | September 26, 1363 | 1363 | Second cousins once removed | Peter III of Aragon |
João I, Duke of Braganza | Catherine, Duchess of Braganza | 1563 | 1563 | First cousins | Jaime, Duke of Braganza |
João of Braganza, Marquis of Montemor-o-Novo | Isabel of Noronha | 25 July 1460 | 1460 | Half-third cousins | Peter I of Portugal |
Prince Johann von Nepomuk of Thurn and Taxis (father of Prince Friedrich of Thurn and Taxis) | Princess Maria Julia of Lobkowicz | 26 January 1939 | 1939 | Second cousins | Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau |
Prince Johann Georg of Hohenzollern | Princess Birgitta of Sweden | 25 May 1961 | 1961 | Fifth cousins | Francis, Duke of Saxe-Coburg-Saalfeld |
Prince Johann Georg of Saxony | Duchess Maria Isabella of Württemberg (first wife) | 5 April 1894 | 1894 | Double third cousins once removed | Leopold II, Holy Roman Emperor; Ferdinand I of the Two Sicilies |
Prince Johann Georg of Saxony | Princess Maria Immaculata of Bourbon-Two Sicilies (second wife) | 30 October 1906 | 1906 | Double third cousins once removed | Leopold II, Holy Roman Emperor; Charles IV of Spain |
Johann Nepomuk Karl, Prince of Liechtenstein | Countess Maria Josepha of Harrach-Rohrau | 19 March 1744 | 1744 | First cousins | Anton Florian, Prince of Liechtenstein |
Johann Wilhelm, Elector Palatine | Archduchess Maria Anna Josepha of Austria (first wife) | 25 October 1678 | 1678 | Second cousins | William V, Duke of Bavaria |
Johann Wilhelm, Elector Palatine | Anna Maria Luisa de' Medici (second wife) | 29 April 1691 | 1691 | Third cousins once removed | Albert V, Duke of Bavaria |
Prince Johannes Heinrich of Saxe-Coburg and Gotha | Princess Mathilde of Saxony | 12 November 1968 | 1968 | Third cousins | Leopold II, Grand Duke of Tuscany |
John, King of Denmark | Christina of Saxony | 6 September 1478 | 1478 | Fourth cousins | Stephen II, Duke of Bavaria |
John, King of England | Isabella, Countess of Gloucester (first wife) | 8 September 1176 | 1176 | Half-second cousins | Henry I of England |
John, King of England | Isabella of Angoulême (second wife) | 24 August 1200 | 1200 | Fourth cousins once removed | Roger de Montgomerie, 1st Earl of Shrewsbury |
John I of Portugal | Philippa of Lancaster | 11 February 1387 | 1387 | Fourth cousins once removed | James I of Aragon |
John I of Aragon | Martha of Armagnac (first wife) | 24 June 1373 | 1373 | Fourth cousins once removed | Louis VIII of France |
John I of Aragon | Violant of Bar (second wife) | 2 February 1380 | 1380 | Third cousins once removed | Charles II of Naples |
John I of Castile | Eleanor of Aragon, Queen of Castile (first wife) | 18 June 1375 | 1375 | Third cousins once removed | Peter III of Aragon |
John I of Castile | Beatrice of Portugal (second wife) | 14 May 1383 | 1383 | Second cousins once removed | Manuel of Castile |
John I, Count of Holland | Elizabeth of Rhuddlan | 8 January 1297 | 1297 | Third cousins twice removed | Henry II of England |
John II of Portugal | Eleanor of Viseu | 22 January 1470 | 1470 | First cousins | Edward of Portugal |
John II of Castile | Maria of Aragon, Queen of Castile (first wife) | 1418 | 1418 | First cousins | John I of Castile |
John II of Castile | Isabella of Portugal, Queen of Castile (second wife) | 22 July 1447 | 1447 | First cousins once removed | John of Gaunt |
John II of Aragon and Navarre | Blanche I of Navarre (first wife) | 6 November 1419 | 1419 | First cousins once removed | Henry II of Castile |
John II of Aragon and Navarre | Juana Enríquez (second wife) | 1 April 1444 | 1444 | Second cousins once removed | Alfonso XI of Castile |
John II, Marquess of Montferrat | Isabella of Majorca | 4 September 1358 | 1358 | Third cousins once removed | James I of Aragon |
John II, Duke of Brabant | Margaret of England, Duchess of Brabant | 8 July 1290 | 1290 | Sixth cousins | William the Conqueror |
John II, Duke of Brittany | Beatrice of England | 22 January 1260 | 1260 | Fourth cousins | Alfonso VII of León |
John III of Portugal | Catherine of Austria | 10 February 1525 | 1525 | First cousins | Ferdinand II of Aragon and Isabella I of Castile |
John IV, Marquess of Montferrat | Margaret of Savoy, Countess of Saint-Pol | December 1458 | 1458 | Second cousins once removed | Amadeus VI, Count of Savoy |
John IV, Duke of Brittany | Mary of Waltham (first wife) | 3 July 1361 | 1361 | Third cousins | Henry III of England |
John IV, Duke of Brittany | Joan Holland, Duchess of Brittany (second wife) | May 1366 | 1366 | Third cousins | Henry III of England |
John IV, Duke of Brittany | Joan of Navarre, Queen of England (third wife) | 2 October 1386 | 1386 | Fourth cousins once removed | Theobald I of Navarre |
John V Palaiologos, Byzantine Emperor | Helena Kantakouzene | Constantinople, 28 May 1347 | 1347 | Second cousins | Michael VIII Palaiologos, Byzantine Emperor |
John V of Portugal | Maria Anna of Austria | 27 October 1708 | 1708 | First cousins | Philip William, Elector Palatine |
John VI of Portugal | Carlota of Spain | 8 May 1785 | 1785 | Second cousins | Philip V of Spain |
John V, Count of Armagnac | Isabelle d'Armagnac, dame des Quatre-Vallées | c. 1450. Papal dispensation declared forged 1457[72] | 1450 | Full siblings[73][74] | John IV, Count of Armagnac |
John of Gaunt, 1st Duke of Lancaster | Blanche of Lancaster (first wife) | Reading Abbey, Reading, Berkshire, 19 May 1359 | 1359 | Third cousins | Henry III of England |
John of Gaunt, 1st Duke of Lancaster | Infanta Constance of Castile (second wife) | Roquefort, 21 September 1371 | 1371 | Third cousins twice removed | Ferdinand III of Castile |
John of Lancaster, 1st Duke of Bedford | Anne of Burgundy | 13 May 1423 | 1423 | Fifth cousins | Philip III of France |
John, Duke of Östergötland | Princess Maria Elizabeth of Sweden | 29 November 1612 | 1612 | First cousins | Gustav I of Sweden |
John, Prince of Asturias | Margaret of Austria, Duchess of Savoy | 20 January 1495 | 1495 | Third cousins | John I of Portugal |
John Adolf, Duke of Holstein-Gottorp | Augusta of Denmark | 30 August 1596 | 1596 | First cousins once removed | Frederick I of Denmark |
Duke John Albert of Mecklenburg | Princess Elisabeth Sybille of Saxe-Weimar-Eisenach | 6 November 1886 | 1886 | Second cousins once removed | Paul I of Russia |
John Casimir, Count Palatine of Kleeburg | Catherine of Sweden, Countess Palatine of Kleeburg | 11 June 1615 | 1615 | Second cousins | Philip I, Landgrave of Hesse |
John Christian, Count Palatine of Sulzbach | Maria Henriette de La Tour d'Auvergne (first wife) | 15 February 1722 | 1722 | Fifth cousin once removed | William I, Count of Nassau-Dillenburg |
John Christian, Count Palatine of Sulzbach | Landgravine Eleonore of Hesse-Rotenburg (second wife) | 21 January 1731 | 1731 | Third cousins | Maurice, Landgrave of Hesse-Kassel |
John Frederick, Duke of Württemberg | Barbara Sophie of Brandenburg | 5 November 1609 | 1609 | Third cousins | Joachim I Nestor, Elector of Brandenburg |
John Frederick II, Duke of Saxony | Agnes of Hesse | 26 May 1555 | 1555 | Third cousins | Frederick II, Elector of Saxony |
John George I, Elector of Saxony | Duchess Magdalene Sibylle of Prussia | 19 July 1607 | 1607 | Third cousins | Joachim I Nestor, Elector of Brandenburg |
John George II, Elector of Saxony | Margravine Magdalene Sibylle of Brandenburg-Bayreuth | 13 November 1638 | 1638 | Second cousins once removed | Joachim II Hector, Elector of Brandenburg |
John George III, Elector of Saxony | Princess Anna Sophie of Denmark | 9 October 1666 | 1666 | Second cousins once removed | John George, Elector of Brandenburg |
John Manuel, Prince of Portugal | Archduchess Joan of Austria | Lisbon, 20 January 1554 | 1554 | Double first cousins | Philip I of Castile and Joanna of Castile; Manuel I of Portugal and Maria of Aragon |
José, Prince of Brazil | Infanta Benedita of Portugal | 21 February 1777 | 1777 | First cousins[75] | John V of Portugal |
Joseph I of Portugal | Mariana Victoria of Spain | 19 January 1729 | 1729 | Second cousins; third cousins once removed | Philip William, Elector Palatine; Philip III of Spain |
Joseph I, Holy Roman Emperor | Wilhelmine Amalia of Brunswick-Lüneburg | 24 February 1699 | 1699 | Fifth cousins twice removed | Christian I of Denmark |
Joseph II, Holy Roman Emperor | Princess Isabella of Parma (first wife) | 6 October 1760 | 1760 | Third cousins once removed | Louis XIII of France |
Joseph II, Holy Roman Emperor | Maria Josepha of Bavaria (second wife) | 13 January 1765 | 1765 | Second cousins | Leopold I, Holy Roman Emperor |
Archduke Joseph August of Austria | Princess Auguste of Bavaria | 15 November 1893 | 1893 | Second cousins twice removed | Leopold II, Holy Roman Emperor |
Archduke Joseph Francis of Austria | Princess Anna of Saxony | 4 October 1926 | 1926 | Half-second cousins once removed | Leopold II, Grand Duke of Tuscany |
Joseph Johann Adam, Prince of Liechtenstein | Princess Maria Gabriele of Liechtenstein | 1 December 1712 | 1712 | Second cousins once removed | Prince Hartmann II of Liechtenstein |
Archduke Joseph Karl of Austria | Princess Clotilde of Saxe-Coburg and Gotha | 12 May 1864 | 1864 | Second cousins once removed | Charles III of Spain |
Archduke Joseph Karl of Austria (son of Archduke Joseph Árpád of Austria) | Princess Margarete von Hohenberg | 28 December 1990 | 1990 | Fourth cousins once removed | Archduke Franz Karl of Austria |
Joseph Wenzel I, Prince of Liechtenstein | Anna Maria of Liechtenstein | 1718 | 1718 | First cousins | Prince Hartmann III of Liechtenstein (son of Gundakar, Prince of Liechtenstein) |
Josias, Hereditary Prince of Waldeck and Pyrmont | Duchess Altburg of Oldenburg | 25 August 1922 | 1922 | Third cousins | Victor II, Prince of Anhalt-Bernburg-Schaumburg-Hoym |
Infante Juan, Count of Barcelona | Princess María de las Mercedes of Bourbon-Two Sicilies | 12 October 1935 | 1935 | Third cousins | Ferdinand VII of Spain |
Juan, Count of Montizón | Archduchess Maria Beatrix of Austria-Este | 6 February 1847 | 1847 | Third cousins | Philip V of Spain |
Juan Carlos I of Spain | Princess Sophia of Greece and Denmark | Church of Saint Dennis, Athens, 14 May 1962 | 1962 | Third cousins | Queen Victoria |
Julia | Nero Caesar (first husband) | AD 20 | 0020 | First cousins | Nero Claudius Drusus |
Julia the Elder | Marcus Claudius Marcellus | Rome, 25 BC | -25 | First cousins | Gaius Octavius and Atia Balba Caesonia |
Julia the Younger | Lucius Aemilius Paullus | BC 5 | BC 5 | Half first cousins | Scribonia |
Julia Drusilla | Marcus Aemilius Lepidus | November 37 | 37 | First cousins | Marcus Vipsanius Agrippa and Julia the Elder |
Julia Flavia | Titus Flavius Sabinus | Second cousins | Titus Flavius Sabinus and Vespasia Polla |
Julian | Helena | 6 November 355 | 355 | Half-first cousins | Constantius Chlorus |
Karl, Duke of Schleswig-Holstein-Sonderburg-Glücksburg | Princess Vilhelmine Marie of Denmark | 19 May 1838 | 1838 | First cousins | Prince Charles of Hesse-Kassel |
Karl, Prince of Leiningen | Grand Duchess Maria Kirillovna of Russia | 25 November 1925 | 1925 | Half-third cousins | Princess Victoria of Saxe-Coburg-Saalfeld |
Prince Karl of Leiningen | Princess Marie Louise of Bulgaria | 14 February 1957 | 1957 | Fourth cousins once removed | Francis, Duke of Saxe-Coburg-Saalfeld |
Prince Karl Alfred of Liechtenstein | Archduchess Agnes Christina of Austria | 17 February 1949 | 1949 | Second cousins once removed | Archduke Franz Karl of Austria |
Prince Karl Anton of Hohenzollern | Princess Joséphine Caroline of Belgium | 28 May 1894 | 1894 | First cousins | Karl Anton, Prince of Hohenzollern |
Karl Anton August, Prince of Schleswig-Holstein-Sonderburg-Beck | Countess Charlotte of Dohna-Schlodien | Königsberg, 30 May 1754 | 1754 | First cousins | Frederick Louis, Duke of Schleswig-Holstein-Sonderburg-Beck |
Karl August, Grand Duke of Saxe-Weimar-Eisenach | Landgravine Louise of Hesse-Darmstadt | 3 October 1775 | 1775 | Fifth cousins once removed | Johann II, Duke of Saxe-Weimar |
Karl August, Prince of Waldeck and Pyrmont | Countess Palatine Christiane Henriette of Zweibrücken-Birkenfeld | 19 August 1741 | 1741 | First cousins | Christian II, Count Palatine of Zweibrücken-Birkenfeld |
Karl August, 10th Prince of Thurn and Taxis | Princess Maria Anna of Braganza | 18 August 1921 | 1921 | Fourth cousins | Charles III of Spain |
Karl Georg August, Hereditary Prince of Brunswick-Wolfenbüttel | Princess Louise of Orange-Nassau | 14 October 1790 | 1790 | Double second cousins | George II of Great Britain; Frederick William I of Prussia |
Archduke Karl Ludwig of Austria | Princess Margaretha of Saxony (first wife) | 4 November 1856 | 1856 | First cousins | Maximilian I Joseph of Bavaria |
Archduke Karl Ludwig of Austria | Princess Maria Annunciata of Bourbon-Two Sicilies (second wife) | 21 October 1862 | 1862 | Second cousins | Leopold II, Holy Roman Emperor |
Archduke Karl Ludwig of Austria | Infanta Maria Theresa of Portugal (third wife) | 23 July 1873 | 1873 | Third cousins | Charles III of Spain |
Archduke Karl Salvator of Austria | Princess Maria Immaculata of Bourbon-Two Sicilies | 19 September 1861 | 1861 | First cousins | Francis I of the Two Sicilies |
Karl Theodor, Duke in Bavaria | Princess Sophie of Saxony | 11 February 1865 | 1865 | First cousins | Maximilian I Joseph of Bavaria |
Princess Katharina of Hohenlohe-Langenburg (granddaughter of Gottfried, Prince of Hohenlohe-Langenburg) | Prince Nikolaus of Waldeck and Pyrmont (grandson of Friedrich, Prince of Waldeck and Pyrmont) | 29 September 2002 | 2002 | Fifth cousins | Prince William of Hesse-Kassel |
Khalil of Bithynia | Irene Palaiologina (daughter of John V Palaiologos) | 28 May 1347 | 1347 | First cousins | John VI Kantakouzenos, Byzantine Emperor |
Knud, Hereditary Prince of Denmark | Princess Caroline-Mathilde of Denmark | 8 September 1933 | 1933 | First cousins | Frederick VIII of Denmark |
Prince Konrad of Bavaria | Princess Maria Bona of Savoy-Genoa | 8 January 1921 | 1921 | Second cousins | Ludwig I of Bavaria |
Prince Konstantin of Bavaria | Princess Maria Adelgunde of Hohenzollern-Sigmaringen | 26 August 1942 | 1942 | Double fourth cousins | Maximilian I Joseph of Bavaria; Francis I of the Two Sicilies |
Grand Duke Konstantin Konstantinovich of Russia | Princess Elisabeth of Saxe-Altenburg | 27 April 1884 | 1884 | Second cousins; second cousins once removed | Frederick, Duke of Saxe-Altenburg; Paul I of Russia |
Grand Duke Konstantin Nikolayevich of Russia | Princess Alexandra of Saxe-Altenburg | 11 September 1848 | 1848 | Second cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Prince Leopold, Duke of Albany | Princess Helena of Waldeck and Pyrmont | St. George's Chapel, Windsor Castle, 27 April 1882 | 1882 | Third cousins twice removed | Duke Charles Louis Frederick of Mecklenburg |
Leopold I, Prince of Lippe | Princess Pauline of Anhalt-Bernburg | 2 January 1796 | 1796 | Second cousins once removed | Karl Frederick, Prince of Anhalt-Bernburg |
Leopold I of Belgium | Princess Charlotte of Wales (first wife) | 2 May 1816 | 1816 | Fourth cousins | Frederick I, Duke of Saxe-Gotha-Altenburg |
Leopold I of Belgium | Louise of Orléans (second wife) | 9 August 1832 | 1832 | Third cousins once removed | Louis Rudolph, Duke of Brunswick-Lüneburg |
Leopold I, Holy Roman Emperor | Margarita Teresa of Spain (first wife) | Vienna, 12 December 1666 | 1666 | First cousins[69] | Philip III of Spain |
Leopold I, Holy Roman Emperor | Claudia Felicitas of Austria (second wife) | 15 October 1673 | 1673 | Second cousins | Charles II, Archduke of Austria |
Leopold I, Holy Roman Emperor | Eleonor Magdalene of Neuburg (third wife) | 14 December 1676 | 1676 | Second cousins | William V, Duke of Bavaria |
Leopold II, Holy Roman Emperor | Maria Luisa of Spain | 16 February 1764 | 1764 | Second cousins once removed | Leopold I, Holy Roman Emperor |
Leopold II, Grand Duke of Tuscany | Princess Maria Anna of Saxony (first wife) | 16 November 1817 | 1817 | Second cousins | Francis I, Holy Roman Emperor and Maria Theresa |
Leopold II, Grand Duke of Tuscany | Princess Maria Antonia of the Two Sicilies (second wife) | Naples, 7 June 1833 | 1833 | First cousins | Ferdinand I of the Two Sicilies |
Leopold II of Belgium | Marie Henriette of Austria | 22 August 1853 | 1853 | Second cousins once removed | Charles III of Spain |
Leopold III of Belgium | Astrid of Sweden | 4 November 1926 | 1926 | Half-third cousins once removed | Maximilian I Joseph of Bavaria |
Leopold IV, Duke of Anhalt | Princess Frederica Wilhelmina of Prussia | 18 April 1818 | 1818 | Second cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Leopold V, Archduke of Austria | Claudia de' Medici | 19 April 1626 | 1626 | Second cousins twice removed | Philip I of Castile and Joanna of Castile |
Leopold, Hereditary Prince of Anhalt | Princess Elisabeth of Hesse-Kassel | 26 May 1884 | 1884 | Third cousins | Frederick William II of Prussia |
Leopold, Duke of Lorraine | Élisabeth Charlotte d'Orléans | 13 October 1698 | 1698 | Third cousins | Charles II, Archduke of Austria |
Leopold, Prince of Salerno | Archduchess Clementina of Austria | 28 July 1816 | 1816 | First cousins once removed[69] | Francis I, Holy Roman Emperor and Maria Theresa |
Prince Leopold of Bavaria | Archduchess Gisela of Austria | 20 April 1873 | 1873 | Half-second cousins | Maximilian I Joseph of Bavaria |
Archduke Leopold Salvator of Austria | Infanta Blanca of Spain | 24 October 1889 | 1889 | Half-second cousins once removed | Francis I of the Two Sicilies |
Lionel of Antwerp, 1st Duke of Clarence | Elizabeth de Burgh, 4th Countess of Ulster (first wife) | Tower of London, 15 August 1352 | 1352 | Third cousins once removed | Edward I of England |
Prince Lorenz of Belgium, Archduke of Austria-Este | Princess Astrid of Belgium, Archduchess of Austria-Este | 22 September 1984 | 1984 | Third cousins once removed | Miguel I of Portugal |
Louis I of Etruria | Maria Luisa, Duchess of Lucca | 5 August 1795 | 1795 | First cousins | Philip, Duke of Parma |
Louis I of Spain | Louise Élisabeth d'Orléans | 20 January 1722 | 1722 | Half-first cousins once removed | Louis XIV of France |
Louis I, Grand Duke of Hesse | Princess Louise of Hesse-Darmstadt | 19 February 1777 | 1777 | First cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Louis II, Grand Duke of Hesse | Princess Wilhelmine of Baden | 19 June 1804 | 1804 | First cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Louis II of Hungary | Mary of Austria | 22 July 1515 | 1515 | Half-second cousins once removed | John II of Aragon and Navarre |
Louis III of Naples | Margaret of Savoy, Duchess of Anjou | 31 Mar 1431 | 1431 | Second cousins once removed | John II of France |
Louis III, Grand Duke of Hesse | Princess Mathilde Caroline of Bavaria | 26 December 1833 | 1833 | Second cousins | Prince George William of Hesse-Darmstadt |
Louis IV, Grand Duke of Hesse | Princess Alice of the United Kingdom | Osborne House, 1 July 1862 | 1862 | Fourth cousins | Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel |
Louis VII of France | Eleanor of Aquitaine (first wife) | 25 July 1137 | 1137 | Third cousins once removed | Robert II of France |
Louis VII of France | Constance of Castile (second wife) | 1154 | 1154 | Third cousins once removed | Robert II of France |
Louis VII of France | Adela of Champagne (third wife) | 18 October 1160 | 1160 | Third cousins once removed | Robert II of France |
Louis XI of France | Charlotte of Savoy | 14 February 1451 | 1451 | Third cousins | John II of France |
Louis XII of France | Joan of France, Duchess of Berry (first wife) | 8 September 1476 | 1476 | Second cousins once removed | Charles V of France |
Louis XII of France | Anne, Duchess of Brittany (second wife) | 8 January 1499 | 1499 | First cousins once removed | Louis I, Duke of Orléans |
Louis XII of France | Mary Tudor, Queen of France (third wife) | 9 October 1514 | 1514 | Second cousins twice removed | Charles V of France |
Louis XIII of France | Anne of Austria | 24 November 1615 | 1615 | Second cousins | Ferdinand I, Holy Roman Emperor |
Louis XIV of France | Maria Theresa of Spain | Saint Jean-Baptiste Church, Saint-Jean-de-Luz, 9 June 1660 | 1660 | Double first cousins | Henry IV of France and Marie de' Medici; Philip III of Spain and Margaret of Austria |
Louis XVI of France | Archduchess Maria Antonia of Austria | Palace of Versailles, 16 May 1770 | 1770 | Second cousins once removed | Leopold I, Holy Roman Emperor |
Louis XVIII of France | Princess Marie Joséphine of Savoy | Palace of Versailles, 14 May 1771 | 1771 | Double second cousins once removed | Louis, Dauphin of France and Duchess Maria Anna Victoria of Bavaria; Victor Amadeus II of Sardinia and Anne Marie d'Orléans |
Prince Louis, Count of Aquila | Princess Januária of Brazil | 28 April 1844 | 1844 | First cousins once removed | Charles IV of Spain |
Louis, Grand Dauphin | Duchess Maria Anna Victoria of Bavaria | 28 January 1680 | 1680 | Second cousins | Henry IV of France |
Louis, Dauphin of France | Infanta Maria Teresa Rafaela of Spain (first wife) | 18 December 1744 | 1744 | First cousins once removed | Louis, Grand Dauphin |
Louis, Dauphin of France | Maria Josepha of Saxony, Dauphine of France (second wife) | 9 February 1747 | 1747 | Fourth cousins once removed | Philip III of Spain |
Louis of Cyprus | Charlotte, Queen of Cyprus | 7 October 1459 | 1459 | First cousins | Janus of Cyprus |
Louis, Duke of Burgundy | Marie Adélaïde of Savoy | 6 December 1697 | 1697 | Double second cousins | Louis XIII of France; Victor Amadeus I, Duke of Savoy |
Louis, Duke of Joyeuse | Marie Anne de Bourbon | 1719 | 1719 | Half-third cousins | Henry IV of France |
Prince Louis, Duke of Nemours | Princess Victoria of Saxe-Coburg and Gotha | 27 April 1840 | 1840 | Fourth cousins | Louis Rudolph, Duke of Brunswick-Lüneburg |
Louis d'Orléans, Duke of Orléans | Margravine Auguste of Baden-Baden | 13 July 1724 | 1724 | Half-fourth cousins | Philip II of Spain |
Louis, Duke of Savoy | Anne of Cyprus | 12 February 1434 | 1434 | Third cousins once removed | Louis I, Duke of Bourbon |
Duke Louis of Württemberg | Princess Henriette of Nassau-Weilburg | 28 January 1797 | 1797 | Third cousins | George I of Great Britain |
Louis, Prince of Condé | Louise Françoise de Bourbon, Duchess of Bourbon | 25 May 1685 | 1685 | Fourth cousins once removed | Charles, Duke of Vendôme |
Louis Armand I, Prince of Conti | Marie Anne de Bourbon | 16 January 1680 | 1680 | Fourth cousins | Charles, Duke of Vendôme |
Louis Armand II, Prince of Conti | Louise Élisabeth de Bourbon | 9 July 1713 | 1713 | First cousins | Henri Jules, Prince of Condé |
Louis Auguste, Duke of Maine | Louise Bénédicte de Bourbon | 19 May 1692 | 1692 | Fourth cousins once removed | Charles, Duke of Vendôme |
Prince Louis Charles of Prussia | Frederica of Mecklenburg-Strelitz | 26 December 1793 | 1793 | Second cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Louis Ferdinand, Prince of Prussia | Grand Duchess Kira Kirillovna of Russia | 21 October 1938 | 1938 | Second cousins once removed | Queen Victoria |
Louis François, Prince of Conti | Louise Diane d'Orléans | 21 January 1732 | 1732 | First cousins once removed | Louis XIV of France |
Louis François Joseph, Prince of Conti | Maria Fortunata d'Este | 7 February 1759 | 1759 | Second cousins | Louis XIV of France |
Louis George, Margrave of Baden-Baden | Duchess Maria Anna Josepha of Bavaria | 20 July 1755 | 1755 | Third cousins once removed | Charles Emmanuel I, Duke of Savoy |
Louis Henri, Prince of Condé | Bathilde d'Orléans | 20 April 1770 | 1770 | Second cousins | Louis, Prince of Condé |
Louis Henri, Duke of Bourbon | Marie Anne de Bourbon | 9 August 1713 | 1713 | First cousins | Henri Jules, Prince of Condé |
Louis Jean Marie de Bourbon, Duke of Penthièvre | Maria Teresa Felicitas d'Este | 1744 | 1744 | First cousins once removed | Louis XIV of France |
Louis Joseph, Duke of Guise | Élisabeth Marguerite d'Orléans | 15 May 1667 | 1667 | Fifth cousins | René II, Duke of Lorraine |
Louis Joseph, Duke of Vendôme | Marie Anne de Bourbon, Duchess of Vendôme | 21 May 1710 | 1710 | Fourth cousins once removed | Charles, Duke of Vendôme |
Louis Philippe I | Maria Amalia of Naples and Sicily | 25 November 1809 | 1809 | Double third cousins once removed | Louis XIV of France; Philippe I, Duke of Orléans |
Louis Philippe I, Duke of Orléans | Louise Henriette de Bourbon | 17 December 1743 | 1743 | Second cousins | Louis XIV of France |
Louis Philippe II, Duke of Orléans | Louise Marie Adélaïde de Bourbon | Palace of Versailles, 5 April 1769 | 1769 | Second cousins | Philippe II, Duke of Orléans |
Louise, Princess Royal | Alexander Duff, 1st Duke of Fife | Buckingham Palace, 27 July 1889 | 1889 | Third cousins | George III of the United Kingdom |
Lucius Aelius | Avidia Plautia | Before 130 | 130 | First cousins |
Ludwig I of Bavaria | Therese of Saxe-Hildburghausen | 12 October 1810 | 1810 | First cousins once removed | Prince George William of Hesse-Darmstadt |
Ludwig III of Bavaria | Maria Theresa of Austria-Este | February 20, 1868 | 1868 | Second cousins once removed | Leopold II, Holy Roman Emperor |
Prince Ludwig of Bavaria | Princess Irmingard of Bavaria | July 20, 1950 | 1950 | First cousins | Ludwig III of Bavaria |
Prince Ludwig August of Saxe-Coburg and Gotha | Princess Leopoldina of Brazil | 15 December 1864 | 1864 | Second cousins | Ferdinand I of the Two Sicilies |
Prince Ludwig Gaston of Saxe-Coburg and Gotha | Princess Mathilde of Bavaria | 1 May 1900 | 1900 | Second cousins twice removed | Leopold II, Holy Roman Emperor |
Prince Ludwig Ferdinand of Bavaria | Infanta María de la Paz of Spain | April 2, 1883 | 1883 | First cousins | Infante Francisco de Paula of Spain |
Prince Ludwig Philipp of Thurn and Taxis | Princess Elisabeth of Luxembourg | 14 November 1922 | 1922 | Fourth cousins | Charles II, Grand Duke of Mecklenburg-Strelitz |
Luís I of Portugal | Maria Pia of Savoy | 6 October 1862 | 1862 | Second cousins once removed | Leopold II, Holy Roman Emperor |
Prince Luís of Orléans-Braganza | Princess Maria di Grazia of Bourbon-Two Sicilies | 4 November 1908 | 1908 | Second cousins | Francis I of the Two Sicilies |
Count Luitpold of Castell-Castell | Princess Alexandrine-Louise of Denmark | 22 January 1937 | 1937 | Fifth cousins | Frederick II, Landgrave of Hesse-Kassel |
Macbeth, King of Scotland | Gruoch of Scotland | Third cousins | Malcolm I of Scotland |
Magnus III of Mecklenburg-Schwerin | Elizabeth of Denmark, Duchess of Mecklenburg | 26 August 1543 | 1543 | Third cousins | Frederick I, Elector of Brandenburg |
Manuel I of Portugal | Isabella, Princess of Asturias (first wife) | Estremoz, 3 November 1490 | 1490 | Second cousins | Ferdinand I of Aragon; John of Gaunt, 1st Duke of Lancaster |
Manuel I of Portugal | Maria of Aragon (second wife) | Alcazar de Sal, 30 October 1500 | 1500 | Second cousins | Ferdinand I of Aragon; John of Gaunt, 1st Duke of Lancaster |
Manuel I of Portugal | Eleanor of Austria (third wife) | 16 July 1518 | 1518 | Second cousins once removed | Ferdinand I of Aragon; John of Gaunt, 1st Duke of Lancaster |
Manuel II of Portugal | Princess Augusta Victoria of Hohenzollern | 4 September 1913 | 1913 | Third cousins | Prince Ferdinand of Saxe-Coburg and Gotha and Princess Maria Antonia Koháry de Csábrág et Szitnya |
Manuel of Castile | Constance of Aragon, Lady of Villena | 1260 | 1260 | Third cousins | Alfonso VII of León |
Marcus Aurelius, Emperor of Rome | Faustina the Younger | 13 May 145 | 145 | First cousins | Marcus Annius Verus and Rupilia |
Marcus Valerius Messalla Barbatus | Domitia Lepida the Younger | 15 | 15 | Half first cousins | Octavia the Younger |
Margaret, Countess of Pembroke | John Hastings, 2nd Earl of Pembroke | 19 May 1359 | 1359 | Half-fourth cousins once removed | Isabella of Angoulême |
Maria of Portugal, Lady of Meneses and Orduña | Fernando Díaz de Haro, Lord of Orduña and Balmaseda | 1315 | 1315 | Half-first cousins once removed | Alfonso X of Castile |
Maria of Portugal, Marchioness of Tortosa | Infante Fernando, Marquis of Tortosa | 1354 | 1354 | Second cousins | Sancho IV of Castile |
Maria I of Portugal | Peter III of Portugal | 6 June 1760 | 1760 | Second cousins once removed[69] | Philip William, Elector Palatine |
Maria II of Portugal | Ferdinand II of Portugal | 1 January 1836 | 1836 | Fourth cousins once removed | Louis Rudolph, Duke of Brunswick-Lüneburg |
Princess Maria de los Dolores of Bourbon-Two Sicilies | Augustyn Józef Czartoryski | 12 August 1937 | 1937 | Third cousins | Louis Philippe I |
Princess Maria Cristina of Savoy-Aosta | Prince Casimir of Bourbon-Two Sicilies | 29 January 1967 | 1967 | Third cousins twice removed | Francis I of the Two Sicilies |
Princess Maria Francesca of Savoy | Prince Luigi of Bourbon-Parma | 23 January 1939 | 1939 | Fourth cousins | Leopold II, Holy Roman Emperor |
Maria Vladimirovna, Grand Duchess of Russia | Prince Franz Wilhelm of Prussia | 4 September 1976 | 1976 | Third cousins once removed | Queen Victoria |
Princess Marie of Orléans | Prince Gundakar of Liechtenstein | 22 July 1989 | 1989 | Fifth cousins | Maximilian I Joseph of Bavaria |
Marie de Bourbon, Duchesse d'Estouteville (daughter of Francis de Bourbon, Count of St. Pol) | Jean, Count of Soissons and Enghien (son of Charles, Duke of Vendôme) | First cousins | Francis, Count of Vendôme |
Princess Marie Adelheid of Lippe | Prince Heinrich XXXII Reuss of Köstritz (first husband) | 19 May 1920 | 1920 | Fourth cousins | Frederick William II of Prussia |
Princess Marie Adelheid of Lippe | Prince Heinrich XXXV Reuss of Köstritz (second husband) | 12 April 1921 | 1921 | Fourth cousins | Frederick William II of Prussia |
Princess Marie Thérèse of France | Louis Antoine, Duke of Angoulême | Mittau, Courland, 10 June 1799 | 1799 | First cousins | Louis, Dauphin of France |
Martin of Aragon | Margaret of Prades | 17 September 1409 | 1409 | Second cousins once removed | James II of Aragon |
Martin I of Sicily | Maria, Queen of Sicily | February, 1392 | 1392 | First cousins | Peter IV of Aragon |
Mary, Queen of Scots | Francis II of France (first husband) | 24 April 1558 | 1558 | Second cousins | Jean VIII, Count of Vendôme |
Mary, Queen of Scots | Henry Stuart, Lord Darnley (second husband) | Chapel-Royal, Palace of Holyroodhouse, Edinburgh, 9 July 1565 | 1565 | Half-first cousins | Margaret Tudor |
Mary, Queen of Scots | James Hepburn, 4th Earl of Bothwell (third husband) | Great Hall, Holyrood Palace, Edinburgh, 15 May 1567 | 1567 | Half-third cousins once removed | Lady Joan Beaufort |
Empress Matilda | Henry V, Holy Roman Emperor (first husband) | January 1114 | 1114 | Second cousins twice removed | Gisela of Swabia |
Empress Matilda | Geoffrey Plantagenet, Count of Anjou (second husband) | 1128 | 1128 | Fourth cousins once removed | Richard I of Normandy |
Matthew, Count of Boulogne | Marie I, Countess of Boulogne | 1160 | 1160 | Third cousins | Baldwin V, Count of Flanders |
Matthew, Count of Foix | Joanna of Aragon, Countess of Foix | 4 June 1392 | 1392 | Half-fourth cousins | Peter III of Aragon |
Matthias, Holy Roman Emperor | Anna of Tyrol | 4 December 1611 | 1611 | First cousins | Ferdinand I, Holy Roman Emperor |
Maurice, Elector of Saxony | Agnes of Hesse | 9 January 1541 | 1541 | First cousins once removed | Albert III, Duke of Saxony |
Prince Maurice of Savoy | Princess Luisa Cristina of Savoy | 8 August 1642 | 1642 | Third cousins once removed[69] | Philip I of Castile and Joanna of Castile |
Maximilian I, Holy Roman Emperor | Mary, Duchess of Burgundy (first wife) | Ghent, 18 August 1477 | 1477 | Second cousins | John I of Portugal |
Maximilian I, Holy Roman Emperor | Anne of Brittany (second wife) | 19 December 1490 | 1490 | Second cousins once removed | Ferdinand I of Aragon |
Maximilian I of Mexico | Princess Charlotte of Belgium | Brussels, 27 July 1857 | 1857 | Second cousins | Ferdinand I of the Two Sicilies |
Maximilian I, Elector of Bavaria | Elisabeth of Lorraine (first wife) | 9 February 1595 | 1595 | First cousins | Francis I, Duke of Lorraine |
Maximilian I, Elector of Bavaria | Archduchess Maria Anna of Austria (second wife) | 15 July 1635 | 1635 | Second cousins[69] | Ferdinand I, Holy Roman Emperor |
Maximilian I Joseph of Bavaria | Princess Augusta Wilhelmine of Hesse-Darmstadt (first wife) | 30 September 1785 | 1785 | Fourth cousins | George II, Landgrave of Hesse-Darmstadt |
Maximilian I Joseph of Bavaria | Caroline of Baden (second wife) | 9 March 1797 | 1797 | Fourth cousins once removed | George II, Landgrave of Hesse-Darmstadt |
Maximilian II, Holy Roman Emperor | Maria of Spain | 13 September 1548 | 1548 | First cousins | Philip I of Castile and Joanna of Castile |
Maximilian II Emanuel, Elector of Bavaria | Maria Antonia of Austria | 15 July 1685 | 1685 | Second cousins | Ferdinand II, Holy Roman Emperor |
Maximilian II of Bavaria | Marie of Prussia | 12 October 1842 | 1842 | Third cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Maximilian III Joseph, Elector of Bavaria | Maria Anna Sophia of Saxony | 9 July 1747 | 1747 | First cousins | Joseph I, Holy Roman Emperor |
Prince Maximilian of Baden | Princess Marie Louise of Hanover | 10 July 1900 | 1900 | Fourth cousins | Frederick V of Denmark |
Maximilian, Hereditary Prince of Saxony | Princess Carolina of Parma (first wife) | 22 April 1792 | 1792 | Third cousins once removed | Leopold I, Holy Roman Emperor |
Maximilian, Hereditary Prince of Saxony | Princess Maria Luisa Carlota of Parma (second wife) | 15 October 1825 | 1825 | Third cousins once removed | Leopold I, Holy Roman Emperor |
Maximilian de Beauharnais, 3rd Duke of Leuchtenberg | Grand Duchess Maria Nikolaevna of Russia | 2 July 1839 | 1839 | Second cousins once removed | Prince George William of Hesse-Darmstadt |
Maximilian Anton, Hereditary Prince of Thurn and Taxis | Duchess Helene in Bavaria | 24 August 1858 | 1858 | Fourth cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Duke Maximilian Joseph in Bavaria | Princess Ludovika of Bavaria | September 9, 1828 | 1828 | First cousins once removed | Frederick Michael, Count Palatine of Zweibrücken |
Michael of Romania | Princess Anne of Bourbon-Parma | Athens, 10 June 1948 | 1948 | Second cousins once removed | Christian IX of Denmark |
Grand Duke Michael Mikhailovich of Russia | Sophie of Merenberg | 10 March 1891 | 1891 | Third cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Grand Duke Michael Nikolaevich of Russia | Olga Feodorovna of Baden | 28 August 1857 | 1857 | Third cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Grand Duke Michael Pavlovich of Russia | Princess Charlotte of Württemberg | 19 February 1824 | 1824 | First cousins once removed | Frederick II Eugene, Duke of Württemberg |
Archduchess Michaela of Austria | Count Hubertus von Kageneck | 22 October 1994 | 1994 | Fourth cousins once removed | Charles IV of Spain |
Prince Michel of Bourbon-Parma | Princess Maria Pia of Savoy | 2003 | 2003 | Second cousins once removed | Miguel I of Portugal |
Michel, 14th Prince of Ligne | Princess Eleonora of Orléans-Braganza | 10 March 1981 | 1981 | Fourth cousins once removed | John VI of Portugal |
Miguel, Duke of Braganza | Princess Maria Theresa of Löwenstein-Wertheim-Rosenberg | Kleinheubach, 8 November 1893 | 1893 | First cousins | Constantine, Hereditary Prince of Löwenstein-Wertheim-Rosenberg |
Prince Moritz of Saxe-Altenburg | Princess Augusta of Saxe-Meiningen | 15 October 1862 | 1862 | Fourth cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
Princess Nadezhda of Bulgaria | Duke Albrecht Eugen of Württemberg | 24 January 1924 | 1924 | Second cousins | Ferdinand II of the Two Sicilies |
Napoleon Louis Bonaparte | Charlotte Napoléone Bonaparte | 1823? | 1823 | First cousins | Carlo Buonaparte |
Nero, Emperor of Rome | Claudia Octavia | Rome, 9 June AD 53 | 0053 | Double first cousins once removed | Lucius Domitius Ahenobarbus and Antonia Major; Nero Claudius Drusus and Antonia Minor |
Nicholas I of Russia | Princess Charlotte of Prussia | Chapel of the Winter Palace, 13 July 1817 | 1817 | Third cousins | Frederick William I of Prussia |
Nicholas II of Russia | Princess Alix of Hesse and by Rhine | Grand Church of the Winter Palace, Winter Palace, Saint Petersburg, 26 November 1894 | 1894 | Second cousins | Louis II, Grand Duke of Hesse and by Rhine |
Grand Duke Nicholas Nikolaevich of Russia | Duchess Alexandra Petrovna of Oldenburg | 6 February 1856 | 1856 | First cousins once removed | Paul I of Russia |
Prince Nicholas of Greece and Denmark | Grand Duchess Elena Vladimirovna of Russia | 29 August 1902 | 1902 | Second cousins | Nicholas I of Russia |
Nicholas Francis, Duke of Lorraine | Claude Françoise de Lorraine | 18 February 1634 | 1634 | First cousins | Charles III, Duke of Lorraine |
Prince Nikolaus of Liechtenstein | Princess Margaretha of Luxembourg | 20 March 1982 | 1982 | Third cousins | Miguel I of Portugal |
Nikolaus, Hereditary Grand Duke of Oldenburg | Princess Helena of Waldeck and Pyrmont | 26 October 1921 | 1921 | Third cousins | Victor II, Prince of Anhalt-Bernburg-Schaumburg-Hoym |
Odo III, Duke of Burgundy | Theresa of Portugal, Countess of Flanders | 1193 | 1193 | Second cousins twice removed | Henry, son of Robert I of Burgundy |
Odoardo Farnese, Duke of Parma | Margherita de' Medici | 1628 | 1628 | Third cousins once removed | Philip I of Castile and Joanna of Castile |
Olav V of Norway | Princess Märtha of Sweden | Oslo Cathedral, 21 March 1929 | 1929 | First cousins | Frederick VIII of Denmark |
Duchess Olga of Württemberg | Prince Maximilian of Schaumburg-Lippe | 3 November 1898 | 1898 | First cousins once removed | George William, Prince of Schaumburg-Lippe |
Oscar II of Sweden | Sophia of Nassau | 6 June 1857 | 1857 | Third cousins once removed | Prince George William of Hesse-Darmstadt |
Archduke Otto of Austria | Princess Maria Josepha of Saxony | 2 October 1886 | 1886 | Second cousins; second cousins once removed | Maximilian I Joseph of Bavaria; Francis II, Holy Roman Emperor |
Archduke Otto of Austria | Princess Regina of Saxe-Meiningen | 10 May 1951 | 1951 | Fourth cousins | Karl Ludwig, Prince of Hohenlohe-Langenburg |
Paul of Greece | Princess Frederica of Hanover | Athens, 9 January 1938 | 1938 | First cousins once removed (through Frederick III, German Emperor and Victoria, Princess Royal); Second cousins (through Christian IX of Denmark); Third cousins (through Joseph, Duke of Saxe-Altenburg); | Frederick III, German Emperor and Victoria, Princess Royal; Christian IX of Denmark; Joseph, Duke of Saxe-Altenburg; |
Prince Paul of Württemberg | Princess Charlotte of Saxe-Hildburghausen | 28 September 1805 | 1805 | Fifth cousins | Ernest I, Duke of Saxe-Gotha |
Grand Duke Paul Alexandrovich of Russia | Grand Duchess Alexandra Georgievna of Russia | 17 June 1889 | 1889 | First cousins once removed | Nicholas I of Russia |
Paul Frederick, Grand Duke of Mecklenburg-Schwerin | Princess Alexandrine of Prussia | 25 May 1822 | 1822 | Fourth cousins once removed | Adolf Frederick I, Duke of Mecklenburg |
Duke Paul Frederick of Mecklenburg | Princess Marie of Windisch-Graetz | 5 May 1881 | 1881 | First cousins | Paul Frederick, Grand Duke of Mecklenburg-Schwerin |
Duke Paul Wilhelm of Württemberg | Princess Maria Sophia of Thurn and Taxis | 17 April 1827 | 1827 | Third cousins | Anselm Franz, 2nd Prince of Thurn and Taxis |
Pedro I of Brazil | Archduchess Maria Leopoldina of Austria (first wife) | 1817 | 1817 | Second cousins | Charles III of Spain |
Pedro II of Brazil | Teresa Cristina of the Two Sicilies | 30 May 1843 | 1843 | Double first cousins once removed | Ferdinand I of the Two Sicilies; Charles IV of Spain |
Infante Pedro Carlos of Spain and Portugal | Maria Teresa, Princess of Beira | 13 May 1810 | 1810 | First cousins (through Maria I of Portugal and Peter III of Portugal); first cousins once removed (through Charles III of Spain) | Maria I of Portugal and Peter III of Portugal; Charles III of Spain |
Prince Pedro Gastão of Orléans-Braganza | Princess Maria de la Esperanza of Bourbon-Two Sicilies | 18 December 1944 | 1944 | Double third cousins | Francis I of the Two Sicilies; Louis Philippe I |
Prince Pedro Henrique of Orléans-Braganza | Princess Maria Elisabeth of Bavaria | 19 August 1937 | 1937 | Third cousins | Leopold II, Grand Duke of Tuscany |
Peter I of Portugal | Constanza Manuel (first wife) | 24 August 1339 | 1339 | Second cousins once removed | Ferdinand III of Castile |
Peter I of Portugal | Inês de Castro (second wife) | 1346 | 1346 | Half-first cousins once removed | Sancho IV of Castile |
Peter I, Grand Duke of Oldenburg | Duchess Frederica of Württemberg | 6 June 1781 | 1781 | Fourth cousins once removed; fifth cousins twice removed | George, Duke of Brunswick-Lüneburg; Frederick II of Denmark |
Peter II of Yugoslavia | Alexandra of Yugoslavia | 20 March 1944 | 1944 | Third cousins | Queen Victoria |
Peter II, Grand Duke of Oldenburg | Princess Elisabeth of Saxe-Altenburg | 10 February 1852 | 1852 | Double second cousins | Frederick II Eugene, Duke of Württemberg; Charles Christian, Prince of Nassau-Weilburg |
Peter II of Aragon | Maria of Montpellier | June 15, 1204 | 1204 | Fourth cousins once removed | Robert I, Duke of Burgundy |
Peter IV of Aragon | Maria of Navarre (first wife) | 23 July 1338 | 1338 | Fourth cousins | Louis VIII of France |
Peter IV of Aragon | Eleanor of Portugal, Queen of Aragon (second wife) | 15 November 1347 | 1347 | Second cousins | Peter III of Aragon |
Peter IV of Aragon | Eleanor of Sicily (third wife) | 27 August 1349 | 1349 | Double second cousins | Peter III of Aragon; Charles II of Naples |
Peter, Duke of Coimbra | Isabella of Urgell, Duchess of Coimbra | 13 September 1428 | 1428 | Fourth cousins | Peter III of Aragon |
Peter, Duke of Schleswig-Holstein | Princess Marie Alix of Schaumburg-Lippe | 9 October 1947 | 1947 | Third cousins | George William, Prince of Schaumburg-Lippe |
Duke Peter Alexandrovich of Oldenburg | Grand Duchess Olga Alexandrovna of Russia | 9 August 1901 | 1901 | Second cousins | Nicholas I of Russia |
Duke Peter Georgievich of Oldenburg | Princess Therese of Nassau-Weilburg | 23 April 1837 | 1837 | Fifth cousins | George I of Great Britain |
Archduke Peter Ferdinand of Austria | Princess Maria Cristina of Bourbon-Two Sicilies | 8 November 1900 | 1900 | First cousins once removed (through Leopold II, Grand Duke of Tuscany); second cousins (through Francis I of the Two Sicilies) | Leopold II, Grand Duke of Tuscany; Francis I of the Two Sicilies |
Philibert, Margrave of Baden-Baden | Mechthild of Bavaria | 17 January 1557 | 1557 | Third cousins | Ernest, Duke of Austria |
Philibert I, Duke of Savoy | Bianca Maria Sforza | 6 January 1474 | 1471 | First cousins | Louis, Duke of Savoy |
Philibert II, Duke of Savoy | Yolande Louise of Savoy (first wife) | 1496 | 1496 | First cousins once removed | Louis, Duke of Savoy |
Philibert II, Duke of Savoy | Margaret of Austria, Duchess of Savoy (second wife) | 1501 | 1501 | Second cousins once removed | John the Fearless |
Philippa, 5th Countess of Ulster | Edmund Mortimer, 3rd Earl of March | Reading Abbey, 1368 | 1368 | Third cousins once removed | Richard de Clare, 6th Earl of Gloucester |
Philip the Good, Duke of Burgundy | Michelle of Valois (first wife) | June 1409 | 1409 | Second cousins | John II of France |
Philip the Good, Duke of Burgundy | Bonne of Artois (second wife) | 20 June 1413 | 1413 | Second cousins | John II of France |
Philip the Good, Duke of Burgundy | Isabella of Portugal (third wife) | Bruges, 7 January 1430 | 1430 | Third cousins | William I, Count of Hainaut |
Philip, Duke of Parma | Louise Élisabeth of France | 26 August 1739 | 1739 | First cousins once removed | Louis, Grand Dauphin |
Philip I, Count of Boulogne | Matilda II, Countess of Boulogne | 1223 | 1223 | Third cousins | Stephen, Count of Blois |
Philip I, Landgrave of Hesse | Christine of Saxony | 11 December 1523 | 1523 | Third cousins | Frederick I, Elector of Saxony |
Philip I of Castile | Joanna of Castile | 20 October 1496 | 1496 | Third cousins | John I of Portugal |
Philip II of Spain | Maria Manuela, Princess of Portugal (first wife) | 15 November 1543 | 1543 | Double first cousins | Philip I of Castile and Joanna of Castile; Manuel I of Portugal and Maria of Aragon |
Philip II of Spain | Mary I of England (second wife) | Winchester Cathedral, 25 July 1554 | 1554 | First Cousins once removed | Ferdinand II of Aragon and Isabella I of Castile |
Philip II of Spain | Elisabeth of Valois (third wife) | 22 June 1559 | 1559 | Fourth cousins | Charles I, Duke of Bourbon |
Philip II of Spain | Anna of Austria, Queen of Spain (fourth wife) | 4 May 1570 | 1570 | First cousins once removed[69] | Philip I of Castile and Joanna of Castile |
Philip II, Duke of Savoy | Margaret of Bourbon | 6 April 1472 | 1472 | Second cousins | Philip the Bold |
Philip III of France | Isabella of Aragon, Queen of France | 28 May 1262 | 1262 | Second cousins once removed | Alfonso II of Aragon |
Philip III of Spain | Margaret of Austria, Queen of Spain | 18 April 1599 | 1599 | First cousins once removed | Ferdinand I, Holy Roman Emperor |
Philip IV of Spain | Elisabeth of France (first wife) | 25 November 1615 | 1615 | Second cousins | Ferdinand I, Holy Roman Emperor |
Philip IV of Spain | Mariana of Austria (second wife) | 7 October 1649 | 1649 | First cousins once removed[69] | Charles II, Archduke of Austria |
Philip V of Spain | Princess Maria Luisa of Savoy (first wife) | Barcelona, 2 November 1701 | 1701 | Double second cousins | Victor Amadeus I, Duke of Savoy; Louis XIII of France |
Philip V of Spain | Elisabeth Farnese (second wife) | Parma, 24 December 1714 | 1714 | Third cousins | William V, Duke of Bavaria |
Prince Philip of Bourbon-Two Sicilies | Princess Marie Louise of Orléans | 12 January 1916 | 1916 | Third cousins once removed | Ferdinand I of the Two Sicilies |
Philip William, Elector Palatine | Anna Catherine Constance Vasa (first wife) | 8 June 1642 | 1642 | Second cousins | Albert V, Duke of Bavaria |
Philip William, Elector Palatine | Landgravine Elisabeth Amalie of Hesse-Darmstadt (second wife) | 3 September 1653 | 1653 | Third cousins | Philip I, Landgrave of Hesse |
Prince Philipp of Saxe-Coburg and Gotha | Princess Louise of Belgium | Brussels, 4 February 1875 (divorced Gotha, 15 January 1906) | 1875 | First cousins once removed (through Louis Philippe I of France); Second cousins (through Francis, Duke of Saxe-Coburg-Saalfeld) | Louis Philippe I of France; Francis, Duke of Saxe-Coburg-Saalfeld |
Duke Philipp of Württemberg | Archduchess Maria Theresa of Austria | 18 January 1865 | 1865 | Third cousins | Francis I, Holy Roman Emperor and Maria Theresa of Austria |
Duke Philipp of Württemberg (son of Carl, Duke of Württemberg) | Duchess Marie-Caroline in Bavaria (daughter of Prince Max, Duke in Bavaria) | 27 July 1991 | 1991 | Fifth cousins | Maximilian I Joseph of Bavaria |
Philipp Albrecht, Duke of Württemberg | Archduchess Helena of Austria (first wife) | 24 October 1923 | 1923 | Second cousins | Ferdinand II of the Two Sicilies |
Philipp Albrecht, Duke of Württemberg | Archduchess Rosa of Austria (second wife) | 1 August 1928 | 1928 | Second cousins | Ferdinand II of the Two Sicilies |
Philipp Reinhard, Count of Hanau-Münzenberg | Countess Palatine Magdalena Claudia of Zweibrücken-Birkenfeld-Bischweiler | 27 February 1689 | 1689 | First cousins | Christian I, Count Palatine of Birkenfeld-Bischweiler |
Philippe II, Duke of Orléans | Françoise Marie de Bourbon | 18 February 1692 | 1692 | First cousins | Louis XIII of France |
Prince Philippe, Count of Paris | Princess Marie Isabelle of Orléans | 30 May 1864 | 1864 | First cousins | Louis Philippe I of France |
Prince Philippe, Duke of Orléans | Archduchess Maria Dorothea of Austria | 5 November 1896 | 1896 | Second cousins | Louis Philippe I |
Archduke Rainer Ferdinand of Austria | Archduchess Maria Karoline of Austria | 21 February 1852 | 1852 | First cousins | Leopold II, Holy Roman Emperor |
Archduke Rainer Joseph of Austria | Princess Elisabeth of Savoy | 28 May 1820 | 1820 | Second cousins | Augustus III of Poland |
Prince Ranieri, Duke of Castro | Maria Carolina Zamoyska | 12 September 1923 | 1923 | First cousins | Prince Francis, Count of Trapani |
Ranuccio II Farnese, Duke of Parma | Princess Margaret Yolande of Savoy (first wife) | 29 April 1660 | 1660 | Second cousins (through Francesco I de' Medici, Grand Duke of Tuscany); Double third cousins | Francesco I de' Medici, Grand Duke of Tuscany; Cosimo I de' Medici, Grand Duke of Tuscany; Ferdinand I, Holy Roman Emperor |
Ranuccio II Farnese, Duke of Parma | Isabella d'Este, Duchess of Parma (second wife) | 18 February 1664 | 1664 | First cousins | Ranuccio I Farnese, Duke of Parma |
Ranuccio II Farnese, Duke of Parma | Maria d'Este (third wife) | 1 October 1668 | 1668 | First cousins | Ranuccio I Farnese, Duke of Parma |
Prince Raphael Rainer of Thurn and Taxis | Princess Margarete of Thurn and Taxis | 24 May 1932 | 1932 | Second cousins | Maximilian Karl, 6th Prince of Thurn and Taxis |
Prince Rasso of Bavaria | Archduchess Theresa of Austria | 17 October 1955 | 1955 | Third cousins | Leopold II, Grand Duke of Tuscany |
Prince René of Bourbon-Parma | Princess Margaret of Denmark | 9 June 1921 | 1921 | Second cousins twice removed | John VI of Portugal |
Richard, 1st Earl of Cornwall | Sanchia of Provence | November 23, 1243 | 1243 | Fourth cousins | Humbert II, Count of Savoy |
Richard of Conisburgh, 3rd Earl of Cambridge | Anne de Mortimer | May 1406 | 1406 | First cousins twice removed | Edward III of England |
Richard Plantagenet, 3rd Duke of York | Lady Cecily Neville | 1429 | 1429 | Second cousins | Edward III of England |
Richard of Shrewsbury, Duke of York | Anne de Mowbray, 8th Countess of Norfolk | 15 January 1478 | 1478 | Second cousins once removed | Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort |
Richard, 6th Prince of Sayn-Wittgenstein-Berleburg | Princess Benedikte of Denmark | 3 February 1968 | 1968 | Fifth cousins once removed | Charles Frederick, Grand Duke of Baden |
Richard I of England | Berengaria of Navarre | May 12, 1191 | 1191 | Fourth cousins | Robert I, Duke of Burgundy |
Richard II of England | Anne of Bohemia (first wife) | Westminster Abbey, 20 January 1382 | 1382 | Fourth cousins | Henry III, Duke of Brabant |
Richard II of England | Isabella of Valois (second wife) | 31 October 1396 | 1396 | Half-third cousins | Charles, Count of Valois |
Richard III of England | Lady Anne Neville | Westminster Abbey, 12 July 1472 | 1472 | First cousins once removed (through Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort); Second cousins once removed (through Edmund of Langley, 1st Duke of York); Third cousins (through Thomas Holland, 2nd Earl of Kent); | Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort; Edmund of Langley, 1st Duke of York; Thomas Holland, 2nd Earl of Kent |
Robert the Bruce | Isabella of Mar (first wife) | 1296 | 1296 | Half-Fifth cousins | Henry I of England |
Robert the Bruce | Elizabeth de Burgh (second wife) | 1302 | 1302 | Double Third cousins once removed | William Marshal, 1st Earl of Pembroke; David of Scotland, 8th Earl of Huntingdon |
Robert I, Duke of Parma | Princess Maria Pia of Bourbon-Two Sicilies (first wife) | Rome, 5 April 1869 | 1869 | Half-first cousins once removed | Francis I of the Two Sicilies |
Robert I, Duke of Parma | Infanta Maria Antonia of Portugal (second wife) | October 15, 1884 at Schloss Fischorn | 1884 | Second cousins once removed | Charles IV of Spain and Maria Luisa of Parma |
Robert II of Scotland | Elizabeth Mure (first wife) | 22 November 1347 | 1347 | Fourth cousins once removed | William Comyn, Lord of Badenoch |
Robert II of Scotland | Euphemia de Ross (second wife) | 2 May 1355 | 1355 | Third cousins once removed | William Comyn, Lord of Badenoch |
Robert, King of Naples | Yolande of Aragon, Duchess of Calabria (first wife) | 23 March 1297 | 1297 | Second cousins once removed | Andrew II of Hungary |
Robert, King of Naples | Sancia of Majorca (second wife) | 17 June 1304 | 1304 | Second cousins once removed | Andrew II of Hungary |
Prince Robert, Duke of Chartres | Princess Françoise of Orléans | 11 June 1863 | 1863 | First cousins | Louis Philippe I |
Robert, Archduke of Austria-Este | Princess Margherita of Savoy-Aosta | 29 December 1953 | 1953 | Fourth cousins once removed | Charles IV of Spain |
Duke Robert of Württemberg | Archduchess Maria Immakulata of Austria | 29 October 1900 | 1900 | Double third cousins | Leopold II, Holy Roman Emperor; Ferdinand II of the Two Sicilies |
Romanos III Argyros | Zoë Porphyrogenita | November 10, 1028 | 1028 | Second cousin once removed | Romanos I Lekapenos |
Rudolf, Crown Prince of Austria | Princess Stéphanie of Belgium | 10 May 1881 | 1881 | Second cousins once removed | Leopold II, Holy Roman Emperor |
Rupprecht, Crown Prince of Bavaria | Duchess Marie Gabrielle in Bavaria (first wife) | 10 July 1900 | 1900 | Second cousins once removed | Maximilian I Joseph of Bavaria |
Rupprecht, Crown Prince of Bavaria | Princess Antonia of Luxembourg (second wife) | 7 April 1921 | 1921 | Third cousins | Frederick, Duke of Saxe-Altenburg |
Sancho II of Portugal | Mécia Lopes de Haro | 1245 | 1245 | Second cousins once removed | Afonso I of Portugal |
Sancho Alfonso, 1st Count of Alburquerque | Beatrice, Countess of Alburquerque | 1373 | 1373 | Double second cousins | Sancho IV of Castile; Denis of Portugal |
Infante Sebastian of Portugal and Spain | Princess Maria Amalia of Bourbon-Two Sicilies (first wife) | 25 May 1832 | 1832 | First cousins once removed | Charles IV of Spain |
Infante Sebastian of Portugal and Spain | Infanta Maria Cristina of Spain (second wife) | 19 November 1860 | 1860 | First cousins once removed | Charles IV of Spain |
Grand Duke Sergei Alexandrovich of Russia | Princess Elisabeth of Hesse and by Rhine | 15 June 1884 | 1884 | First cousins once removed | Louis II, Grand Duke of Hesse |
Sigismund, Archduke of Austria | Catherine of Saxony, Archduchess of Austria | 1484 | 1484 | First cousins twice removed | Leopold III, Duke of Austria |
Sigismund II Augustus | Elizabeth of Austria (first wife) | 5 May 1543 | 1543 | First cousins once removed | Casimir IV Jagiellon |
Sigismund II Augustus | Catherine of Austria, Queen of Poland (third wife) | 23 June 1553 | 1553 | First cousins once removed | Casimir IV Jagiellon |
Sigismund III Vasa | Anne of Austria, Queen of Poland (first wife) | 31 May 1592 | 1592 | Second cousins once removed | Casimir IV Jagiellon |
Sigismund III Vasa | Constance of Austria (second wife) | December 11, 1605 | 1605 | Second cousins once removed | Casimir IV Jagiellon |
Prince Sigismund of Prussia | Princess Charlotte of Saxe-Altenburg | 11 July 1919 | 1919 | Double fourth cousins | Frederick William II of Prussia; Charles II, Grand Duke of Mecklenburg-Strelitz |
Archduke Simeon of Austria | Princess María of Bourbon-Two Sicilies | 13 July 1996 | 1996 | Half-second cousins once removed | Robert I, Duke of Parma |
Princess Sophie of Greece and Denmark | Prince Christoph of Hesse (first husband) | 15 December 1930 | 1930 | Second cousins once removed | Queen Victoria |
Princess Sophie of Greece and Denmark | Prince George William of Hanover (second husband) | 23 April 1946 | 1946 | Second cousins (through Christian IX of Denmark); Double Third cousins (through Queen Victoria and Joseph, Duke of Saxe-Altenburg) | Christian IX of Denmark; Queen Victoria; and Joseph, Duke of Saxe-Altenburg |
Sophie Renate Reuss of Köstritz | Prince Heinrich XXXIV Reuss of Köstritz | 12 December 1909 | 1909 | Half-first cousins once removed | Heinrich LXIII, Prince Reuss of Köstritz |
Stephen, King of England | Matilda of Boulogne | 1125 | 1125 | Fourth cousins once removed | Mathilde von Sachsen |
Teodósio I, Duke of Braganza | Isabel de Lencastre (first wife) | 1542 | 1542 | First cousins | Fernando II, Duke of Braganza |
Teodósio I, Duke of Braganza | Beatriz of Lencastre (second wife) | 1559 | 1559 | Third cousins once removed | Edward, King of Portugal |
Prince Thomas, Duke of Genoa | Princess Isabella of Bavaria | 21 May 1883 | 1883 | Third cousins | Ferdinand I of the Two Sicilies |
Thomas of Woodstock, 1st Duke of Gloucester | Eleanor de Bohun | 1376 | 1376 | Second cousins once removed | Edward I of England |
Thomas of Lancaster, 1st Duke of Clarence | Margaret Holland, Duchess of Clarence | November 1411 | 1411 | Second cousins once removed | Henry, 3rd Earl of Lancaster |
Prince Tomislav of Yugoslavia | Princess Margarita of Baden | 5 June 1957 | 1957 | Third cousins once removed | Queen Victoria |
Ulrich, Duke of Mecklenburg | Elizabeth of Denmark, Duchess of Mecklenburg | 14 February 1556 | 1556 | First cousins twice removed | Christian I of Denmark |
Umberto I of Italy | Princess Margherita of Savoy | 21 April 1868 | 1868 | First cousins | Charles Albert of Sardinia |
Umberto II of Italy | Marie José of Belgium | 8 January 1930 | 1930 | Third cousins once removed | Maximilian I Joseph of Bavaria |
Valdemar III of Denmark | Richardis of Schwerin, Duchess of Schleswig | 1329 | 1328 | Double third cousins | Albert I, Duke of Saxony; Adolf IV of Holstein |
Valdemar IV of Denmark | Helvig of Schleswig | 1340 | 1340 | Third cousins once removed | Valdemar II of Denmark |
Prince Valdemar of Denmark | Princess Marie of Orléans | 20 October 1885 | 1885 | Third cousins once removed (through Duke Louis of Mecklenburg-Schwerin) Fourth cousins twice removed (through Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel) | Duke Louis of Mecklenburg-Schwerin; Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel |
Valdemar II of Denmark | Dagmar of Bohemia | 1205 | 1205 | Third cousins | Vratislaus II of Bohemia |
Victor, Prince Napoléon | Princess Clémentine of Belgium | 14 November 1910 | 1910 | Second cousins once removed | Leopold II, Holy Roman Emperor |
Victor Amadeus I, Duke of Savoy | Christine of France | 10 February 1619 | 1619 | Third cousins | Philip I of Castile and Joanna of Castile |
Victor Amadeus I, Prince of Carignano | Maria Vittoria of Savoy | 7 November 1714 | 1714 | Second cousins once removed | Charles Emmanuel I, Duke of Savoy |
Victor Amadeus II of Sardinia | Anne Marie d'Orléans | 10 April 1684 | 1684 | Second cousins | Henry IV of France |
Victor Amadeus III of Sardinia | Maria Antonia Ferdinanda of Spain | 12 April 1750 | 1750 | Double third cousins | Victor Amadeus I, Duke of Savoy; Louis XIII of France |
Victor Emmanuel I of Sardinia | Maria Theresa of Austria-Este, Queen of Sardinia | 25 April 1789 | 1789 | Half-third cousins | Philippe I, Duke of Orléans |
Victor Emmanuel II of Italy | Archduchess Adelaide of Austria | Palazzina di caccia of Stupinigi, 12 April 1842 | 1842 | First cousins | Charles Emmanuel, Prince of Carignano |
Princess Victoria Melita of Saxe-Coburg and Gotha | Ernest Louis, Grand Duke of Hesse and by Rhine (first husband) | Schloss Ehrenburg, Coburg, 9 April 1894 | 1894 | First cousins (through Queen Victoria), Third cousins (through Frederick William II of Prussia) | Queen Victoria, Frederick William II of Prussia |
Princess Victoria Melita of Saxe-Coburg and Gotha | Grand Duke Cyril Vladimirovich of Russia (second husband) | Tegernsee, 8 October 1905 | 1905 | First cousins | Alexander II of Russia |
Princess Victoria of Hesse and by Rhine | Prince Louis of Battenberg | Darmstadt, 30 April 1884 | 1884 | First cousins once removed | Louis II, Grand Duke of Hesse and by Rhine |
Queen Victoria of the United Kingdom | Prince Albert of Saxe-Coburg and Gotha | Chapel Royal, St. James's Palace, 10 February 1840 | 1840 | First cousins; (through Francis, Duke of Saxe-Coburg-Saalfeld); Third cousins once removed (through Frederick II, Duke of Saxe-Gotha-Altenburg); Half-Third cousins twice removed (through Adolphus Frederick II, Duke of Mecklenburg-Strelitz) | Francis, Duke of Saxe-Coburg-Saalfeld; Frederick II, Duke of Saxe-Gotha-Altenburg; Adolphus Frederick II, Duke of Mecklenburg-Strelitz |
Vincenzo Gonzaga, Duke of Mantua | Margherita Farnese (first wife) | 2 March 1581 | 1581 | Second cousins once removed | Philip I of Castile and Joanna of Castile |
Vincenzo Gonzaga, Duke of Mantua | Eleanor de' Medici (second wife) | 29 April 1584 | 1584 | First cousins | Ferdinand I, Holy Roman Emperor |
Grand Duke Vladimir Alexandrovich of Russia | Duchess Marie of Mecklenburg-Schwerin | 28 August 1874 | 1874 | Second cousins | Frederick William III of Prussia |
Walter Stewart, 6th High Steward of Scotland | Marjorie Bruce | 1315 | 1315 | Fourth cousins once removed | Walter Stewart, 3rd High Steward of Scotland |
Prince Welf Henry of Hanover | Princess Alexandra of Ysenburg and Büdingen | 20 September 1960 | 1960 | Fourth cousins | Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach |
Wilhelm II, German Emperor | Princess Augusta Victoria of Schleswig-Holstein-Sonderburg-Augustenburg (first wife) | 27 February 1881 | 1881 | Half-second cousins (through Princess Victoria of Saxe-Coburg-Saalfeld); Fourth cousins (through Frederick Prince of Wales) | Princess Victoria of Saxe-Coburg-Saalfeld and Frederick Prince of Wales |
Wilhelm II, German Emperor | Hermine Reuss of Greiz (second wife) | 5 November 1922 | 1922 | Fifth cousins | George II of Great Britain |
Wilhelm, German Crown Prince | Duchess Cecilie of Mecklenburg-Schwerin | 6 June 1905 | 1905 | Third cousins | Frederick William III of Prussia |
Prince Wilhelm of Prussia | Princess Maria Anna of Hesse-Homburg | 1804 | 1804 | First cousins | Louis IX, Landgrave of Hesse-Darmstadt |
Prince Wilhelm, Duke of Södermanland | Grand Duchess Maria Pavlovna of Russia | 3 May 1908 | 1908 | Third cousins | Frederick William III of Prussia |
Duke Wilhelm in Bavaria | Countess Palatine Maria Anna of Zweibrücken-Birkenfeld | 30 January 1780 | 1780 | Second cousins once removed | Christian I, Count Palatine of Birkenfeld-Bischweiler |
Wilhelm Friedrich, Duke of Schleswig-Holstein | Princess Marie Melita of Hohenlohe-Langenburg | 5 February 1916 | 1916 | Second cousins | Ernst I, Prince of Hohenlohe-Langenburg |
Wilhelmina of the Netherlands | Prince Henry, Duke of Mecklenburg-Schwerin | 7 February 1901 | 1901 | Third cousins | Frederick William II of Prussia |
William the Conqueror | Matilda of Flanders | 1051 | 1051 | Third cousins once removed (through Fulk II, Count of Anjou); Fourth cousins (through Rollo); Fifth cousins (through Herbert II of Vermandois); Seventh cousins (through Æthelwulf of Wessex) | Fulk II, Count of Anjou; Rollo; Herbert II of Vermandois; and Æthelwulf of Wessex |
William the Lion | Ermengarde de Beaumont | 5 September 1186 | 1186 | Fourth cousins | Robert I, Duke of Normandy |
William the Silent | Anna of Saxony | 24 August 1561 | 1561 | Third cousins once removed | Louis I, Landgrave of Hesse |
William I, Count of Boulogne | Isabel de Warenne, Countess of Surrey | 1148 | 1148 | Fourth cousins | Robert II of France |
William I, German Emperor | Augusta of Saxe-Weimar-Eisenach | 11 June 1829 | 1829 | Second cousins | Louis IX, Landgrave of Hesse-Darmstadt |
William I of the Netherlands | Princess Wilhelmine of Prussia | Berlin, 1 October 1791 | 1791 | First cousin | Prince Augustus William of Prussia |
William I of Württemberg | Pauline Therese of Württemberg (third wife) | 5 April 1820 | 1820 | First cousins | Frederick II Eugene, Duke of Württemberg |
William I, Elector of Hesse | Princess Wilhelmina Caroline of Denmark | 1 September 1764 | 1764 | First cousins Third cousin once removed | George II of Great Britain William VI, Landgrave of Hesse-Kassel |
William II of Württemberg | Princess Marie of Waldeck and Pyrmont (first wife) | 15 February 1877 | 1877 | Second cousins once removed | Frederick I of Württemberg |
William II of Württemberg | Charlotte of Schaumburg-Lippe (second wife) | 8 April 1886 | 1886 | Fifth cousins | Louis VIII, Landgrave of Hesse-Darmstadt |
William II of the Netherlands | Anna Pavlovna of Russia | 21 February 1816 | 1816 | Third cousins | Frederick William I of Prussia |
William III of the Netherlands | Princess Sophie of Württemberg (first wife) | Stuttgart, 18 June 1839 | 1839 | First cousins | Paul I of Russia |
William III of the Netherlands | Emma of Waldeck and Pyrmont (second wife) | 7 January 1879 | 1879 | Second cousins twice removed | Frederick II Eugene, Duke of Württemberg |
William III of England | Mary II of England | 4 November 1677 | 1677 | First cousins | Charles I of England |
William III, Landgrave of Thuringia | Anne of Austria, Landgravine of Thuringia | 2 June 1446 | 1446 | Double fourth cousins | Albert I of Germany; Wartislaw IV, Duke of Pomerania |
William IV of the United Kingdom | Adelaide of Saxe-Meiningen | 11 July 1818 | 1818 | Third cousins once removed | Ernest I, Duke of Saxe-Gotha |
William IV, Prince of Orange | Anne, Princess Royal and Princess of Orange | 25 March 1734 | 1734 | Fourth cousins once removed | William the Silent |
William V, Prince of Orange | Wilhelmina of Prussia, Princess of Orange | 4 October 1767 | 1767 | Second cousins | George I of Great Britain |
William V, Duke of Bavaria | Renata of Lorraine | 22 February 1568 | 1568 | Second cousins | Philip I of Castile and Joanna of Castile |
William VIII, Landgrave of Hesse-Kassel | Dorothea Wilhelmine of Saxe-Zeitz | 27 September 1717 | 1717 | Second cousins | George William, Elector of Brandenburg |
William, Duke of Nassau | Princess Pauline of Württemberg | 23 April 1829 | 1829 | Third cousins once removed | George II of Great Britain |
William, Prince of Hohenzollern | Princess Maria Teresa of Bourbon-Two Sicilies (first wife) | 27 June 1889 | 1889 | Third cousins once removed | Charles IV of Spain |
William, Prince of Hohenzollern | Princess Adelgunde of Bavaria (second wife) | 20 January 1915 | 1915 | Third cousins once removed | Leopold II, Holy Roman Emperor |
William, Prince of Wied | Princess Marie of the Netherlands | 18 July 1871 | 1871 | Second cousins once removed | Charles II, Grand Duke of Mecklenburg-Strelitz |
Prince William, Duke of Cambridge | Catherine, Duchess of Cambridge | 29 April 2011 | 2011 | 11th cousins once removed (through Sir William Blakiston and Jane Lambton); Fourteenth cousins once removed (through Sir Thomas Fairfax and wife Anne Gascoigne) | Sir William Blakiston and Jane Lambton; Sir Thomas Fairfax and Anne Gascoigne |
Prince William of Baden | Duchess Elisabeth Alexandrine of Württemberg | 16 October 1830 | 1830 | Second cousins once removed | John William Friso, Prince of Orange |
Prince William of Baden | Princess Maria Maximilianovna of Leuchtenberg | 11 February 1863 | 1863 | Fourth cousins once removed | Frederick William I of Prussia |
Prince William of Hesse-Philippsthal-Barchfeld | Princess Maria of Hanau and Hořowitz (first wife) | 27 December 1857 | 1857 | Fourth cousins twice removed | William VI, Landgrave of Hesse-Kassel |
Prince William of Hesse-Philippsthal-Barchfeld | Princess Augusta of Schleswig-Holstein-Sonderburg-Glücksburg (fourth wife) (daughter of Friedrich, Duke of Schleswig-Holstein-Sonderburg-Glücksburg | 6 December 1884 | 1884 | Third cousins once removed | Charles I, Landgrave of Hesse-Philippsthal |
Prince William of Schaumburg-Lippe | Princess Bathildis of Anhalt-Dessau | 30 May 1862 | 1862 | Third cousins once removed | Christian III, Count Palatine of Zweibrücken |
William, Duke of Jülich-Cleves-Berg | Maria of Austria, Duchess of Jülich-Cleves-Berg | 18 July 1546 | 1546 | Fourth cousins | Ernest, Duke of Austria |
Duke William of Mecklenburg-Schwerin | Princess Alexandrine of Prussia | 9 December 1865 | 1865 | First cousins | Frederick William III of Prussia |
William the Younger, Duke of Brunswick-Lüneburg | Dorothea of Denmark, Duchess of Brunswick-Lüneburg | 12 October 1561 | 1561 | Second cousins | John Cicero, Elector of Brandenburg |
William Ernest, Grand Duke of Saxe-Weimar-Eisenach | Princess Caroline Reuss of Greiz (first wife) | 30 April 1903 | 1903 | Third cousins once removed | Charles Christian, Prince of Nassau-Weilburg |
William Ernest, Grand Duke of Saxe-Weimar-Eisenach | Princess Feodora of Saxe-Meiningen (second wife) | 14 January 1910 | 1910 | Third cousins | Georg I, Duke of Saxe-Meiningen |
Prince William Frederick, Duke of Gloucester and Edinburgh | Princess Mary of Great Britain | 22 July 1816 | 1816 | First cousins | Frederick, Prince of Wales |
William Frederick, Prince of Wied | Princess Pauline of Württemberg | 29 October 1898 | 1898 | Half-second cousins | William, Duke of Nassau |
Władysław IV, king of Poland | Cecilia Renata of Austria (first wife) | Vienna, 9 August 1637 | 1637 | First cousins | Charles II, Archduke of Austria and Maria Anna of Bavaria |
Prince Wolfgang of Hesse | Princess Marie Alexandra of Baden | 17 September 1924 | 1924 | Second cousins once removed | Prince William of Hesse-Kassel |
Wolfgang Wilhelm, Count Palatine of Neuburg | Magdalene of Bavaria | 11 November 1613 | 1613 | Second cousins | Ferdinand I, Holy Roman Emperor |
Wolrad, Prince of Schaumburg-Lippe | Princess Bathildis of Schaumburg-Lippe | April 1925 | 1925 | Second cousins | George William, Prince of Schaumburg-Lippe |
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5. ^{{cite book| last= Goodrich| first= Charles A. |year= 1829| title= Lives of the Signers to the Declaration of Independence| pages= 131–38| location= New York| publisher= William Reed & Co.}}
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17. ^[https://web.archive.org/web/20070927032452/http://www.newenglandancestors.org/education/articles/NEXUS/Nexus_10.4.8.asp Notable Kin: Boston Cousins of Queen Victoria and Yankee Ancestors of Mrs. Thomas Philip], New England Historic Genealogical Society. Retrieved 3-13-2008.
18. ^Cápsulas genealógicas: Santiago, la cuna de los Espaillat
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23. ^{{cite book| title= Andre Gide and the Second World War: A Novelist's Occupation|page=5| first= Jocelyn| last= Van Tuyl| publisher=SUNY Press|year=2012}}
24. ^Biographies – Charlotte Perkins Gilman, Gale Group. Retrieved 3-13-2008. {{webarchive |url=https://web.archive.org/web/20080418232550/http://www.galegroup.com/free_resources/whm/bio/gilman_c.htm |date=April 18, 2008 }}
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29. ^{{cite book|title=Friedrich Hayek: A Biography|page=169| first= Alan O.| last= Ebenstein|year=2001|publisher=Basingstoke: Palgrave Macmillan Trade|isbn=978-0312233440}}
30. ^{{cite book|title=Alexander Herzen: 1812–1870| page=21 | first= Monica| last= Partridge}}
31. ^Notable Kin – The Flowering of New England, Part Two: The Poets Bryant, Holmes, Longfellow, J.R. Lowell, and Whittier{{Dead link|date=September 2010}}, Gary Boyd Roberts. Retrieved 3-13-2008.
32. ^{{cite web| url= http://www.legendsofamerica.com/WE-ZeeJames.html| title= Zee James – Wife of Jesse James| first= Kathy| last= Weiser| website= legendsofamerica.com| access-date= March 13, 2008| deadurl= yes| archiveurl= https://web.archive.org/web/20080323031242/http://www.legendsofamerica.com/WE-ZeeJames.html| archivedate= March 23, 2008| df= }}
33. ^{{cite web|url=http://www.americanancestors.org/the-royal-descents-of-jane-pierce/ |title=The Royal Descents of Jane Pierce, Alice and Edith Roosevelt, Helen Taft, Eleanor Roosevelt, and Barbara Bush |last=Roberts |first=Gary Boyd |author= |authorlink= |last2= |first2= |author2= |authorlink2= |date=April–May 1993 |website=American Ancestors |series= |publisher=New England Historic Genealogical Society |location=Boston |archive-url=https://web.archive.org/web/20101203151207/http://www.americanancestors.org/the-royal-descents-of-jane-pierce/ |archive-date=December 3, 2010 |deadurl=yes |accessdate=18 October 2014 |quote=...Mrs. Martha Wayles Skelton Jefferson (1748–82), wife of Bathurst Skelton and Thomas Jefferson, was a third cousin of her second husband... |ref= |separator= |postscript= |subscription= |registration= }}
34. ^{{cite news| url= http://www.economist.com/displaystory.cfm?story_id=16311378&source=features_box1 |title= Subtle change of seasons| work= The Economist| access-date= August 6, 2010}}
35. ^{{cite web| url= http://famouspeopleihaveknown.blogspot.com/2009/04/arthur-henry-king.html |work= In My Life| title= Arthur Henry King| first= Kathy| last= Riordan| via= famouspeopleihaveknown.blogspot.com| date= April 2009| access-date= November 14, 2017}}
36. ^{{cite web| url= http://www.bookrags.com/biography/nobusuke-kishi/ |title= Nobusuke Kishi Biography| work= Encyclopedia of World Biography| access-date= March 13, 2008}}
37. ^{{cite book| title= David Lean| page=14| first= Howard| last= Maxford}}
38. ^{{cite web| url= http://jerry9.tripod.com/Myra.htm |title= Myra Lewis-Williams Interview| website= jerry9.tripod.com}}
39. ^{{cite web| url= http://www.straightdope.com/columns/041001.html |work= The Straight Dope| title= What's wrong with cousins marrying?| date= October 1, 2004 | access-date= November 14, 2017}}
40. ^Harvard's Unitarian Presidents – Abbott Lawrence Lowell, Katia Savchuk. Retrieved 3-13-2008. {{webarchive |url=https://web.archive.org/web/20080303142848/http://www.harvardsquarelibrary.org/HVDpresidents/lowell.php |date=March 3, 2008 }}
41. ^The Great Enterprise, CBC. Retrieved 3-13-2008.
42. ^Gerardo Machado, History of Cuba. Retrieved 1-29-2010.
43. ^{{cite web| url= http://www.naf.org.au/rickard.rtf |title= Conversations with Maltus| first= Suzanne| last= Rickard| website= naf.org.au| publisher= National Academies Forum| access-date= March 13, 2008| archiveurl= https://web.archive.org/web/20070828230128/http://www.naf.org.au/rickard.rtf |archivedate=August 28, 2007 }}
44. ^{{cite web| url= http://www.enotes.com/literary-criticism/manley-delarivier |title= Delarivier Manely| website= enotes.com| first= | last= | publisher= | date= | access-date=}}
45. ^{{cite journal|last1= Hu |first1= Changming 胡长明 |last2= Liu |first2= Shengsheng 刘胜生 |title= A Few Historical Facts on Mao Zedong's First Marriage 毛泽东第一次婚姻的若干史实|year=1996 |journal= Research on Mao Zedong Thought 毛泽东思想研究 |issue=1996.2 |pages=111–114|url=http://www.cnki.com.cn/Article/CJFDTotal-MSYJ602.037.htm|ref=harv|language=zh}}
46. ^Brigadier General Francis Marion of the American Army, myrevolutionarywar.com. Retrieved 3-13-2008.
47. ^Abraham Maslow, nndb.com. Retrieved 3-13-2008.
48. ^{{cite web|last1=González Hernández|first1=Julio Amable|title=Parentescos entre Primeras Damas y Presidentes (4 de 4)|url=http://www.idg.org.do/capsulas/abril2011/abril20112.htm|publisher=Dominican Institute of Genealogy|accessdate=3 May 2015|archiveurl=https://web.archive.org/web/20120709085302/http://www.idg.org.do/capsulas/abril2011/abril20112.htm|archivedate=9 July 2012|language=Spanish|date=2 April 2011}}
49. ^[https://www.independent.co.uk/news/obituaries/madeleine-milhaud-actress-wife-of-the-composer-776120.html Madeleine Milhaud: Actress wife of the composer], The Independent. Retrieved 9-6-2010.
50. ^{{cite web| website= terra.com.pe| url= http://www.terra.com.pe/entretenimiento/noticias/oci114253/marina-mora-se-casa-con-su-primo-hermano.html | language= Spanish| title= Marina Mora se casa con su primo hermano | date= July 31, 2005| location= Peru| deadurl= yes| archiveurl= https://web.archive.org/web/20110727061257/http://www.terra.com.pe/entretenimiento/noticias/oci114253/marina-mora-se-casa-con-su-primo-hermano.html| archivedate= July 27, 2011| access-date= November 14, 2017}}
51. ^Morse Papers, Library of Congress. Retrieved 3-13-2008.
52. ^Outlines of English and American Literature, William J. Long. Retrieved 3-13-2008.
53. ^{{cite book |first=Teresa |last=Tyszkiewicz |title=Bolesław Prus |location=Warsaw |publisher=Państwowe Zakłady Wydawnictw Szkolnych |year=1971 |pages=28–30}}
54. ^Biography of Sergei Rachmaninoff, Sonal Panse. Retrieved 3-13-2008.
55. ^{{cite news| first= Arup |last=Kr De| title= Ties that Bind| work= The Statesman| place= Calcutta, India| date= 27 April 2008| quote= Satyajit Ray had an unconventional marriage. He married Bijoya (born 1917), youngest daughter of his eldest maternal uncle, Charuchandra Das, in 1948 in a secret ceremony in Bombay after a long romantic relationship that had begun around the time he left college in 1940. The marriage was reconfirmed in Calcutta the next year at a traditional religious ceremony}}
56. ^[https://web.archive.org/web/20080329023002/http://www.fdrlibrary.marist.edu/erbio.html Biography of Eleanor Roosevelt], FDR Library. Retrieved 3-13-2008.
57. ^The Wife Tells All, Time Magazine. Retrieved 3-13-2008.
58. ^[https://www.theguardian.com/theobserver/2008/jul/20/15 This much I know: Greta Scacchi, actor, 48, Sussex], The Observer. Retrieved 1-04-2009.
59. ^Igor Stravinsky, nndb.com. Retrieved 3-13-2008.
60. ^[https://scholarspace.manoa.hawaii.edu/bitstream/10125/309/1/Shogun.pdf Shogun and Samurai – Tales of Nobunaga, Hideyoshi, and Ieyasu], Okanoya Shigezane. Retrieved 3-13-2008.
61. ^{{Cite book|last1=Rodríguez Demorizi|first1=Emilio|authorlink1=Emilio Rodríguez Demorizi|title=Hojas de Servicios del Ejército Dominicano – Volumen 1|date=1968|publisher=Editora del Caribe|isbn=|pages=391–396|url=}}
62. ^{{citation|last= Williams|first= Raymond L. |title= Vargas Llosa: otra historia de un deicidio|location=Mexico |publisher= Taurus |year=2001 |page=54 |isbn=968-19-0814-7 }}
63. ^Martin van Buren {{Webarchive|url=https://web.archive.org/web/20070423032208/http://www.nnp.org/nni/Publications/Dutch-American/buren.html |date=2007-04-23 }}, The New Netherland Institute. Retrieved 3-13-2008.
64. ^{{cite web| publisher = University of St. Andrews| title= William Gordon Welchman | url= http://www-history.mcs.st-andrews.ac.uk/Biographies/Welchman.html| website= st-andrews.ac.uk| date= | access-date= November 14, 2017}}
65. ^{{cite web| url= http://wells.thefreelibrary.com/ |title= H.G. Wells| website= TheFreeLibrary.com| date= March 13, 2008}}
66. ^{{cite web| url= http://sabr.org/bioproj/person/c914f820| title= Zack Wheat| first= Eric| last= Enders| website= sabr.org| publisher= Society for American Baseball Research| access-date= November 14, 2017}}
67. ^William Whipple and the Declaration of Independence, Speech given by Comrade Joseph Foster, Paymaster U.S. Navy, Portsmouth, New Hampshire, 11-20-1892. Retrieved 3-13-2008.
68. ^{{cite web |title=Yule family (per. 1863–1928), merchants and industrialists {{!}} Oxford Dictionary of National Biography |url=http://www.oxforddnb.com/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-61112?result=1&rskey=A33jCX#odnb-9780198614128-e-61112-headword-4 |website=www.oxforddnb.com |accessdate=15 January 2019 |language=en |doi=10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-61112#odnb-9780198614128-e-61112-headword-4}}
69. ^1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Also uncle and niece
70. ^Also uncle and niece
71. ^Also half-uncle and half-niece
72. ^Traditio 23. Canonical Implications of Richard III's Plan to Marry His Niece. Kelly, H.A. 1967 pp. 269-311.
73. ^Les Cahiers de Saint Louis. Dupont, Jacques and Saillot, Jacques. 1987. Angers et Nantes, p. 755. (In French).
74. ^Europäische Stammtafeln Neue Folge. Armagnac, Cte d' (Lomagne). Schwennicke, Detlev, editor. Volume III, Section 3, Table 571. (In German)
75. ^Also aunt and nephew
76. ^{{ cite web| title=King Tutankhamun: Latest Tests Prove the Boy Pharaoh was Product of Incest; from google (tutankhamun incest) result 1| url=http://www.ibtimes.co.uk/king-tutankhamun-latest-tests-prove-boy-pharaoh-was-product-incest-1470735 }}
77. ^Both were great-grandchildren of the Jiaqing Emperor
78. ^Both were great-grandchildren of General Dugu Xin
79. ^His father (Emperor Gaozong) and her mother (Princess Changle) were siblings.
80. ^They were both grandchildren of Emperor Gaozu of Tang and his wife Duchess Dou
81. ^Xue Shao was the son of Princess Chengyang, Emperor Gaozong's sister, by her second husband Xue Yao
82. ^1 Both were grandchildren of Wu Shihuo, Duke Ding of Ying.
83. ^Eldest son of Wu Zetian's nephew Wu Chengsi, Prince Xuan of Wei.
84. ^Both were great-grandchildren of Wu Shihuo, Duke Ding of Ying. Princess Anle was the granddaughter of Wu Shihuo's second daughter Empress Wu Zetian, while Wu Chongxun was the grandson of Wu Shihuo's elder son Wu Yuanqing.
85. ^Second son of Wu Zetian's nephew Wu Chengsi, Prince Xuan of Wei.
{{Wiktionary|cousincest}}{{Incest}}{{DEFAULTSORT:Coupled Cousins}}