Guillaume was born in 1112, the son of Alain and Emma de Gand. The place is not known.
He died in 1175. The place is not known.
He had two marriages/partners. His first wife was Alice de Tonbridge de Clare, who he married in ABT 1166. The place has not been found. They had no known children.
His second wife was Sibyl de Valognes, who he married in ABT 1166. The place has not been found. They had no known children.
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Guillaume II |
Alain |
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Gilbert de Gand |
Rodolphe I de Bologne |
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Gisèle de Luxembourg |
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Alix de Montfort |
Hugues II de Montfort-sur-Risle |
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Alice de Beaufou |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1112 |
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| Death | 1175 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | baron de Percy |