Yeah. Do their heirs have to wait seven years or something like that?
Your forefathers killed female heirs because the demon told them they were too weak.
Louis appears to have been previously promised this succession, and to strengthen his claim married his son, Otto, to Agnes, the sister of Henry, the count palatine, who died without heirs in 1214.
The death without direct heirs of Duke John William in 1609 led to serious complications in which almost all the states of Europe were concerned; however, by the treaty of Xanten in 1614, Cleves passed to the elector of Brandenburg, being afterwards incorporated with the electorate by the great elector, Frederick William.