Guillaume was the son of Pierre Bournel but his mother is unknown. The date and place of his birth have not been found.
He died in 1477. The place is not known.
His wife was Ælips de Bauchain. They were married, but the date and place have not been found. Their two known children were Louis I (?-?) and Guichard (?-1465).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1477 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Lambercourt | |||||
| Nobility Title | maître-d'Hôtel du Roi | |||||
| Nobility Title | FROM 1473 TO 1477 | qualifié général, maître, visiteur et gouverneur de toute l'artillerie de France |