Guillaume was the son of unknown parents. The date and place of his birth have not been found.
His wife was Eustorgie d'Anduze, who he married in 1144. The place has not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Gourdon |