Robert was the son of Robert IV de Béthune and Adélaïde de Péronne. The date and place of his birth have not been found.
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Robert IV de Béthune |
Robert III de Béthune |
Robert de Béthune |
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Adélaïde de Péronne |
Robert II de Péronne |
Robert I de Péronne |
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Adelise de Saint-Quentin |
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