Guillaume was born about 1310, the son of unknown parents. The place is not known.
He died after 1359. The place is not known.
His wife was Jeanne Malet de la Brosse. They were married, but the date and place have not been found. Their only known child was Alix (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1310 |
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| Death | AFT 1359 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur d'Usson |