Bertrand was the son of unknown parents. The date and place of his birth have not been found.
His wife was NN de Guy. They were married, but the date and place have not been found. Their only known child was Durand (c1345-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | 1285 | coseigneur de Marin |