Guillaume was born about 0965, the son of unknown parents. The place is not known.
He died after 0980. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their two known children were Gauscelin (c1000-c1072) and Robert (?->1066).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 0965 |
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| Death | AFT 0980 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur d'Anthenaise |