Guillaume was the son of unknown parents. The date and place of his birth have not been found.
He died about 1320. The place is not known.
His wife was Marie de Vienne. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1320 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Dendermonde |
Note 1
Note 2
continued in Richards tree