Guillaume was the son of Geoffroy IV d'Illiers and Jeanne d'Ardenay. The date and place of his birth have not been found.
He died after 1396. The place is not known.
He had two marriages/partners. His first wife was Jeanne de Beaumont. They were married, but the date and place have not been found. Their two known children were Pierre (?-1424) and Macé (?-?).
His second wife was Marie Marguerite la Roncière. They were married, but the date and place have not been found. Their only known child was Marie (?-?).
Guillaume V d'Illiers |
Geoffroy IV d'Illiers |
Guillaume IV d'Illiers |
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Event | Date | Details | Source | Multimedia | Notes |
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Death | AFT 1396 |
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Attribute | Date | Description | Details | Source | Multimedia | Notes |
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Nobility Title | sire d'Illiers, de Francvilliers et de Maisoncelles |