| Jean I | |
|---|---|
| Lord of Monaco | |
| Issue | |
| Father | Rainier II, Lord of Monaco |
| Born | c. 1382 |
| Died | 1454 (aged 71–72) |
Jean I Grimaldi (c. 1382 – 1454) was Lord of Monaco three times; 1395, jointly with his brothers Ambroise and Antonie from 1419 to 1436, and alone from 1436 until 1454.