Béatrix was the daughter of Hugues III de Campdavaine and Béatrice. The date and place of her birth have not been found.
Her husband was Robert de Coucy. They were married, but the date and place have not been found. They had no known children.
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Hugues III de Campdavaine |
Hugues II de Campdavaine |
Hugues I de Saint-Pôl |
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Hélisende de Ponthieu |
Enguerrand II de Ponthieu |
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Adélaïde de Normandie |
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