| Guillaume IV l'Archevêque - Lord of Parthenay | Founder of the Priory in the 12th century. |
| Richard Cœur de Lion - Duke of Aquitaine and King of England | Confirms possession of the Grandmontans in 1195. |
| Étienne de Thiers - Founder of the Grandmont Order | Inspiring the 12th century monastic reform. |