Isabelle was born about 1415, the daughter of Jean II de Flandre and Isabelle de Ghistelles. The place is not known.
She died on 24 MAR 1451 in Lille (Rijssel), Nord-Pas-de-Calais.
Her husband was Guillebert II de Lannoy, who she married in ABT 1435. The place has not been found. Their only known child was Peter (c1445-1492).
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Isabelle de Flandre |
Jean II de Flandre |
Jean I bâtard de Flandre |
Louis II (III) de Dampierre |
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Isabelle de Ghistelles |
Gérard de Ghistelles |
Jean I de Ghistelles |
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Johanna van Beveren |
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Jean II de Créquy |
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Marie-Jeanne de Picquigny |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1415 |
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| Death | 24 MAR 1451 |
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