Gérard was the son of Philippe de Prouny and Marie d'Antoing. The date and place of his birth have not been found.
His wife was Yde de Guînes. They were married, but the date and place have not been found. They had no known children.
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Alard III d'Antoing |
Hugues I (III) d'Épinoy d'Antoing |
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Agnès de Mons |
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Ide de Douai |
Gérard III de Douai |
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