Bérenguier was the son of Bertrand de Mancip and Adhémare de Capdenac. The date and place of his birth have not been found.
His wife was Hélène de Gaillac. They were married, but the date and place have not been found. Their only known child was Hélène (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Bournazel | |||||
| Nobility Title | coseigneur de Cassagnes-Comtaux | |||||
| Nobility Title | vues de Bournazel |