Gerlach I, Count of Nassau
| Gerlach I, Count of Nassau | |
|---|---|
| Count of Nassau (Wiesbaden, Idstein, Weilburg, and Weilnau) | |
| Reign | 1298–1344 |
| Predecessor | Adolf I |
| Successor | Adolph I, Count of Nassau-Wiesbaden-Idstein John I, Count of Nassau-Weilburg |
| Regent | Rupert V of Nassau (1298 - 1304) Walram III of Nassau-Wiesbaden (1312 - 1316) |
| Born | 1288 |
| Died | 7 January 1361 (aged 73) |
| Burial | Klarenthal Abbey (destroyed in 1840) |
| Spouse | Agnes (daughter of Agnes of Bavaria, Margravine of Bradenburg-Stendal) Irmgard of Hohenlohe-Weikersheim |
| Issue | Adolph I, Count of Nassau-Wiesbaden-Idstein John I, Count of Nassau-Weilburg Gerlach von Nassau Adelheid Agnes Elisabeth Marie Kraft of Nassau-Sonnenberg Rupert, Count of Nassau-Sonnenberg |
| House | House of Nassau |
| Father | Adolf of Nassau |
| Mother | Imagina of Isenburg-Limburg |
| Religion | Catholic |
Gerlach I of Nassau (1288 – 7 January 1361), Count of Nassau in Wiesbaden, Idstein, Weilburg, and Weilnau.
He was a son of Adolf of Nassau, elected King of the Romans, and Imagina of Isenburg-Limburg.