| Arnaud Garsie du Fossat - Lord of Bruch (11th century) | First feudal tribute in 1249. |
| Raymond Bernard du Fossat - Prior and Guardian (11th century) | Acknowledges English suzerainety in 1286. |
| Bertrand de Lamothe - Lord of Bruch (XIV-15th century) | Imprisoned seven years by Jean de Ferréol. |
| Pons VI de Castillon - Lord of Bruch (early 15th century) | Free Bertrand de Lamothe in 1407. |
| Bourguine de Castillon - Lady of Bruch (15th century) | Wife Bertrand de Pardaillan, transmits the seigneury. |
| Jean de Lescun - Banished heir (XV century) | Son of Jeanne de Castillon, exiled in 1422. |