| Pierre Terrail (premier du nom) - Vice-Châtelain and manufacturer | Founded the strong house in 1404. |
| Pierre II Terrail - Lord of Bayard | Turned the house into a castle. |
| Aymon Terrail - Lord of Bayard | Father of Knight Bayard. |
| Pierre III Terrail (chevalier Bayard) - Military hero | Born and raised in the castle. |
| Françoise Copier - Last Terrail heiress | Selled the castle in 1559. |
| Jean-Baptiste Bertrand - Curé de Grignon | Partial restoration of the castle in 1865. |