Guillaume was the son of Robert III de Beaumont-le-Roger and Pernelle de Grandmesnil. The date and place of his birth have not been found.
He died before 1190. The place is not known.
Guillaume de Beaumont-le-Roger |
Robert III de Beaumont-le-Roger |
Robert II de Beaumont-le-Roger |
Robert I de Beaumont-le-Roger |
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Isabelle de Vermandois |
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Amicie de Montfort-le-Hédé |
Raoul II de Montfort |
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Havoise de Hédé |
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Pernelle de Grandmesnil |
Yves de Grandmesnil |
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Event | Date | Details | Source | Multimedia | Notes |
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Death | BEF 1190 |
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