| Robert III de Sablé - Founder | Lord having formalized the donation in 1152. |
| Robert IV de Sablé - Benefactor | Confederate gifts before his departure to the Holy Land. |
| Jean d’Hierray - Bishop of Le Mans | Try to restore the abbey in the 15th century. |
| Alexandre III - Pope | Granted tithe exemptions in 1163. |
| Jean Rocher - Abbé de Bellebranche (1451) | Opposed to the bishop before yielding. |
| François de Donadieu - Last regular abbot | Resisted in union with La Flèche. |