| Charles le Chauve - King of the Franks (VIIIth-IXth century) | Ordonna built the stone palace. |
| Geoffroi de Mayenne - Local Lord (XIe) | The castle is about 1040. |
| Philippe-Auguste - King of France (1180-1223) | Attached Maine to the royal estate. |
| Jacques-Henri Bouflet - Architect of the Buildings of France | Discovered the Carolingian arcatures in 1993. |
| Robert Early - Archaeologist (Oxford Archaeological Unit) | Directed the excavations from 1996 to 2000. |
| Jacques Naveau - Departmental curator | Drafted the scientific project in 2000. |