He was a son of Adolf of Nassau, elected King of the Romans, and Imagina of Isenburg-Limburg.

First, 1307 with Agnes, a daughter of Agnes of Bavaria, Margravine of Brandenburg-Stendal and her first husband Henry the Younger of Hesse, and hence a granddaughter of Landgrave Henry I "the Child" of Hesse and had the following children: Second, he married before 4 January 1337 Irmgard of Hohenlohe-Weikersheim [nl], daughter of Kraft II of Hohenlohe-Weikersheim and had the following children: 2.

Eine neunhundertjährige Herrschergeschichte in einhundert Biographien .

Gerhard Köbler: Historisches Lexikon der deutschen Länder.

Die deutschen Territorien vom Mittelalter bis zur Gegenwart.