Isabelle was the daughter of Jean III d'Auxy and Catherine de Melun. The date and place of her birth have not been found.
Her husband was Gilles III de Mailly, who she married in 1392. The place has not been found. Their only known child was Guillemette (c1395-c1430).
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Jean III d'Auxy |
Jean II d'Auxy |
Jean d'Auxy |
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Isabeau de Craon |
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Marie d'Encre |
Gauthier III d'Encre |
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Jossine d'Encre |
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Catherine de Melun |
Jean I de Melun |
Adam IV de Melun |
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Jeanne de Sully |
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Isabelle Catherine de Brimeu |
Aléaume de Brimeux |
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Isabelle d’Airaines |