Isabelle was the daughter of Arnould VI (IV, II) de Gâvre and Isabelle de Ghistelles. The date and place of her birth have not been found.
Her husband was Oudard de Blondel de Joigny. They were married, but the date and place have not been found. Their two known children were Marguerite (?-?) and Josse (?-c1555).
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Arnould VI (IV, II) de Gâvre |
Arnould V de Gâvre |
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Isabelle de Ghistelles |
Roger de Ghistelles |
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Margareta van Dudzeele |
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