Wilhelm was the son of unknown parents. The date and place of his birth have not been found.
He died before 1370. The place is not known.
His wife was Elizabeth de Hamal, who he married in AFT 1362. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1370 |
|