Treaty of Andernach (1292)


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.