Guillaume was born about 1030, the son of unknown parents. The place is not known.
He died after 1082. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Raoul (c1050->1096).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1030 |
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| Death | AFT 1082 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de la Lande-Patry |