Guillaume was the son of unknown parents. The date and place of his birth have not been found.
He died after 1272. The place is not known.
His wife was Laure de Lorraine. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1272 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | sire de Mirabeau et d'Autrey |
Note 1