Yolande was the daughter of Thomas de Coucy and Mathilde de Rethel. The date and place of her birth have not been found.
Her husband was Arnaud de Mortagne. They were married, but the date and place have not been found. Their four known children were Mahaut (?-?), Jean (?->1278), Guillaume (?-?) and Marie (?-?).
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Thomas de Coucy |
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Mathilde de Rethel |
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