He was married two times. 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: •
Adolph I, Count of Nassau-Wiesbaden-Idstein (1307 – 17 January 1370, Idstein). •
John I, Count of Nassau-Weilburg (1309 – 20 September 1371, Weilburg). •
Gerlach von Nassau (1322 – 12 February 1371,
Aschaffenburg),
Archbishop of Mainz. • Adelheid (d. 8 August 1344), married 1329 to
Ulrich III, Lord of Hanau. • Agnes, a nun at
Klarenthal Abbey. • Elisabeth (), married before 16 August 1326 to
Louis of Hohenlohe. • Marie (d. 1366), married before 1336 to Konrad of Weinsberg.
Second marriage Second, he married before 4 January 1337 , daughter of
Kraft II of Hohenlohe-Weikersheim and had the following children: •
Kraft of Nassau-Sonnenberg (d. 1356), fell in the
Battle of Poitiers. •
Rupert, Count of Nassau-Sonnenberg (d. 4 September 1390). == References ==