John William, the last Duke of Jülich-Cleves, dies without heirs.
In response, the Elector of Brandenburg and Duke of Neuburg both
claim succession to the duchy. Henry IV of France throws his
support behind the claim of Brandenburg.
Citation:
Editors. "Elector of Brandenburg and Duke of Neuburg both claim Jülich-Cleves".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15663, accessed 18 May 2013.]