Ermentrude was the daughter of Hugues I de Clermont and Marguerite de Roucy. The date and place of her birth have not been found.
Her husband was Hugues d'Avranches, who she married in 1093. The place has not been found. Their five known children were Richard (1094-1120), Marguerite (c1053-c1136), Geva (?-?), Robert (1095-?) and Jean (1093-?).
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Hugues I de Clermont |
Renaud de Creil |
Hulduin de Clermont |
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Émiline de Châteaudun |
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Ermengarde de Clermont-en-Beauvaisis |
Baudouin de Clermont |
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Marguerite de Roucy |
Hilduin IV de Montdidier |
Hilduin II (III) de Montdidier |
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Lasseline d'Harcourt |
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Alix de Roucy |
Èbles I de Roucy |
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Béatrix de Hainaut |
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