Guillaume was the son of unknown parents. The date and place of his birth have not been found.
His wife was Henriette de Saint-Hilaire, who he married in ABT 1370. The place has not been found. Their three known children were Jean (<1441-?), Philippe (?-?) and Nicole (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Courcelles | |||||
| Nobility Title | 1418 | vicomte de Dijon |