Béatrix was born about 1255, the daughter of Aubert II de Longueval and Anne de Meulan. The place is not known.
Her husband was Rasse VIII de Gavre, who she married in ABT 1280. The place has not been found. They had no known children.
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Béatrix de Longueval de Strijen |
Aubert II de Longueval |
Guillaume de Longueval |
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Anne de Meulan |
Amaury II de Meulan |
Amaury I de Meulan |
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Adèle de Luzarches |
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Marguerite de Beaumont-le-Roger |
Robert II de Neufbourg |
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Jeanne de Mauquenchy |
| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | ABT 1255 |
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