Guillaume was born about 1010, the son of unknown parents. The place is not known.
He died about 1060. 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 Hugues I (c1040->1087).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1010 |
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| Death | ABT 1060 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | seigneur de Sillé |