| Alard IV de Château-Gontier - Lord and donor | Offer the domain for the foundation. |
| Hamelin d'Ingrandes - Suspected Founder (1119) | Mentioned by several authors as founder. |
| Hugues de Mathefelon - Lord and Benefactor | Contributed to the construction with his family. |
| Jeanne de Sablé - Wife of Hugues de Mathefelon | Participated in the development of the Abbey. |
| Guillaume de Beaumont - Bishop of Angers | Consacra the abbey church in 1223. |