Isabelle was the daughter of Louis IV de Chiny and Mathilde d'Avesnes. The date and place of her birth have not been found.
Her husband was III Otton de Trazegnies. They were married, but the date and place have not been found. They had no known children.
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Louis IV de Chiny |
Louis III de Chiny |
Albert I de Chiny |
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Agnès de Bar |
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Mathilde d'Avesnes |
Jacques d'Avesnes |
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Adèle de Guise |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | dame de Florenville-le-Château |