| Arnauld de la Hillette - Founding Lord | Land donor, relative of Saint-Bertrand de Comminges. |
| Arnaud de Milas - Abbé de Peyrignac then Bishop | Supervised the foundation and became bishop of Comminges. |
| Fortz de Sobia - Prior of Nizors | Assisted Arnaud de Milas during the first years. |
| Guillaume-Bernard del Terrail et Aymeri - Benefactors (1184) | Granted forest and land rights. |
| Famille Vixa - Donors (1199) | Ceded their property between Gesse and Gimon. |