Gérard was the son of Gérard II de Picquigny and Mathilde de Crecques. The date and place of his birth have not been found.
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Gérard II de Picquigny |
Enguerrand I de Picquigny |
Guermond II de Picquigny |
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Flandrine d'Amiens |
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Marguerite de Ponthieu |
Jean I de Ponthieu |
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Mathilde de Crecques |
Anseau II de Crecques |
Robert III |
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Mathilde d'Aire |
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Béatrix de Guînes |
Arnould II de Guînes |
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Béatrix de Bourbourg |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | chainoine de Saint Quentin |