Guillaume was born about 1250, the son of unknown parents. The place is not known.
His wife was Clémence d'Auxy. They were married, but the date and place have not been found. Their four known children were Guillaume (?-?), Hugues (c1270-?), Jean (?-?) and Alix (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1250 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Honnechies | |||||
| Nobility Title | seigneur de Nave |