Guillaume was the son of unknown parents. The date and place of his birth have not been found.
He died after 1337. The place is not known.
His wife was Johanna van Loon, who he married in 1331. The place has not been found. Their only known child was Marie (?-1358).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1337 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | 1331 | seigneur de Rumigny (herr von Rummen) |
Note 1
seigneur par donation de Louis IV de Looz en 1331