| John I, Count Palatine of Simmern | |
| Noble Family: | House of Wittelsbach |
| Father: | Frederick I, Count Palatine of Simmern |
| Mother: | Margaret of Guelders |
| Spouse: | Joanna of Nassau-Saarbrücken (1464 - 1521) |
| Issue: | John II |
| Issue-Link: |
|
| Birth Date: | 15 May 1459 |
John I (15 May 1459 – 27 January 1509) was the Count Palatine of Simmern from 1480 until 1509.[1]
John was born in 1459 to Frederick I, Count Palatine of Simmern. He married Joanna of Nassau-Saarbrücken (1464 - 1521) the daughter of Johann II of Nassau-Saarbrücken on 29 September 1481. John died in Starkenburg in 1509 and was buried in Simmern.
With Joanna of Nassau-Saarbrücken (14 April 1464 – 7 May 1521)