Clémence was the daughter of Guillaume de Ponthieu and Adélaïde de Bourgogne Duché. The date and place of her birth have not been found.
She died before 1189. The place is not known.
Her husband was Juhaël II de Mayenne. They were married, but the date and place have not been found. Their three known children were Geoffroy III (1135-1169), Mahaut (c1150-?) and Constance (c1095-<1130).
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Clémence de Ponthieu |
Guillaume de Ponthieu |
Robert II de Montgommery |
Roger II de Montgommery |
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Mabile Talvas de Bellême |
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Agnès de Ponthieu |
Guy I de Ponthieu |
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Ade d'Amiens |
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Adélaïde de Bourgogne Duché |
Eudes I de Bourgogne |
Henri de Bourgogne |
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Sibylle de Barcelone |
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Sybille de Bourgogne |
Guillaume I de Bourgogne |
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Étiennette de Longwy |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | BEF 1189 |
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