Isabeau was the daughter of Rasso de Walcourt and Agnes de Linchemeau. The date and place of her birth have not been found.
Her husband was Jean de Jauche. They were married, but the date and place have not been found. Their only known child was Anne Marie (?-c1410).
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Jean I de Walcourt-Rochefort |
Thierry V de Walcourt-Rochefort |
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Agnès de Warfusée |
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Isabelle van Loon-Agimont |
Jan IV van Loon-Agimont |
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Jeanne de Steenkerke |
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