| Leonardo Grosso della Rovere - Bishop of Agen (1487-1519) | Coordinator of the reconstruction of the castle |
| Marc-Antoine de La Rovère - Bishop of Agen (1519-1538) | Continuation of Renaissance work |
| Cesare Fregoso - Ambassador of François I | Husband of Costanza Rangoni, murdered |
| Costanza Rangoni - Veal of Cesare Fregoso | Castle usufructuary (circa 1541-1567) |
| Matteo Bandello - Bishop and Italian writer | Author of the "News*, died in Bazens |
| Janus Frégose - Bishop of Agen (1555-1586) | Successor of Bandello, son of Cesare |
| Cardinal Jean de Lorraine - Bishop of Agen (until 1550) | Gives usufruct to Costanza Rangoni |
| Mgr Hébert - Bishop of Agen (early 18th century) | Ordone partial demolition in 1726 |