- References
The Treaty of Andernach sealed the support of Siegfried II of Westerburg, archbishop of Cologne, for Adolf of Germany, Count of Nassau, in the upcoming imperial election. It was agreed on April 27, 1292. Under the terms of the treaty, Adolf agreed to the transfer of imperial castles and estates, the cities of Dortmund and Duisburg, and the Reichsvogtship of Essen to the Archdiocese of Cologne after his election.[1][2] References 1. ^{{cite web |url=http://siegfried_ii_of_westerburg.totallyexplained.com/ |title=Archived copy |accessdate=2009-11-25 |deadurl=yes |archiveurl=https://archive.is/20130204213156/http://siegfried_ii_of_westerburg.totallyexplained.com/ |archivedate=2013-02-04 |df= }}
2. ^The New Cambridge Medieval History: c. 1300-c. 1415 / edited by Michael Jones P516
{{treaty-stub}} 4 : Treaties of the Holy Roman Empire|1290s treaties|1290s in the Holy Roman Empire|1292 in Europe |