Gervais was the son of unknown parents. The date and place of his birth have not been found.
His wife was Ermengarde de Roucy. They were married, but the date and place have not been found. Their only known child was Gervais (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Bazoches |