| Constance de Bretagne - Duchess of Brittany and founder | Founded in 1201, the abbey is buried there. |
| Guy de Thouars - Baillister of Brittany, husband of Constance | He was buried in the abbey in 1213. |
| Alix de Thouars - Duchess of Brittany, daughter of the previous | Died 1221, buried in the abbey. |
| Pierre Ier de Bretagne - Husband of Alix and then Nicole | Several descendants buried in the abbey. |
| Étienne de La Bruère - Bishop of Nantes | Consecrate the abbey church in 1223. |
| Olivier Ier de Machecoul - Lord of Machecoul, son of Peter I | He was buried in the abbey in 1279. |