Gervais was the son of Anquetil d'Harcourt and Eve de Boissy. The date and place of his birth have not been found.
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Anquetil d'Harcourt |
Turquetil de Neufmarché |
Torf de Pont-Audemer |
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Eremburge Bertrand de Bricquebec |
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Anceline de Montfort-sur-Risle |
Hugues II (I) de Montfort-sur-Risle |
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