Barthélémy was the son of Robert V de Béthune and Adélaïde de Saint-Pôl. The date and place of his birth have not been found.
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Robert V de Béthune |
Guillaume I de Béthune |
Robert IV de Béthune |
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Adélaïde de Péronne |
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Clémence de Cambrai-Oisy |
Hugues II d'Oisy |
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Heldiarne de Mons |
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Adélaïde de Saint-Pôl |
Hugues III de Campdavaine |
Hugues II de Campdavaine |
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Hélisende de Ponthieu |
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