Adolph I, Count of Nassau-Wiesbaden-Idstein 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
- Occupation
- Count of Nassau-Wiesbaden-Idstein
- Citizenship
- Germany
- Born
- 1307
- Died
- January 17, 1370