United Duchies of Jülich-Cleves-Berg
In 1609, the last count died childless. His realm, the United Duchies of Jülich-Cleves-Berg were practically divided into a Catholic and a Protestant part. The Duchy of Cleves and the counties of Mark and Ravensberg, and the Dominion of Ravenstein were inherited by the Protestant Elector of the Holy Roman Empire, Margrave of Brandenburg, and Duke of Prussia Johann Sigismund of Hohenzollern. The catholic Duchy of Jülich-Berg were inherited by the Count Palatine Wolfgang Wilhelm of Neuburg.