Adolf I of Nassau-Wiesbaden-Idstein

Adolph I, Count of Nassau-Wiesbaden-Idstein (1307 – 17 January 1370) was a son of Count Gerlach I and Agnes of Hesse. In 1344, his father abdicated in favor of his sons. They ruled jointly until 1355, then divided their inheritance: Adolph I inherited Nassau-Wiesbaden-Idstein (this line died out in the male line in 1605) John I inherited Nassau-Weilburg (this line died out in the male line in 1912) Rupert inherited Nassau-Sonnenberg (he died childless in 1390)

Marriage and issue In 1322 Adolph married Margaret of Nuremberg, the daughter of Frederick IV, Burgrave of Nuremberg. They had the following children: Gerlach II (1333–1386), inherited Nassau-Wiesbaden Frederick (d. 1376) was minister in Mainz Agnes (d. 1376), married Werner IV, Count of Wittgenstein John Margaret was abbess of Klarenthal Monastery Elisabeth (d. 1389), married in 1361 to Diether VIII, Count of Katzenelnbogen Adolph I of Nassau (1353–1390), Archbishop of Mainz from 1379 John II (1353–1420), Archbishop of Mainz from 1397 Anna was abbess of Klarenthal Monastery Walram IV (1354–1393), inherited Nassau-Idstein Catherine (d. 1403), married in 1373 to Reinhard IV, Count of Westerburg Frederick Walram II Joanna