Guillaume was born about 1045, the son of unknown parents. The place is not known.
His wife was Agnès de Grandmesnil. They were married, but the date and place have not been found. Their only known child was Jourdain (1068-?).
Event | Date | Details | Source | Multimedia | Notes |
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Birth | ABT 1045 |
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Attribute | Date | Description | Details | Source | Multimedia | Notes |
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Nobility Title | baron d'Aunay et de Marigny |