Guillaume was born about 1420, the son of unknown parents. The place is not known.
He died in 1473. The place is not known.
His wife was Aynarde de la Chambre. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1420 |
|
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| Death | 1473 |
|
Note 1
Son of Guy de Montbel, seigneur d'Entremont and Antoinette de Seyssel