Isabeau was born in 1442/43, the daughter of Jean II de Neuchâtel and Margarida de Castro y Souza. The place is not known.
She died in 1479 in Bruxelles (Brüssel, Brussels), Belgique .
Her husband was Louis de Vienne, who she married in 1457 in Dole. They had no known children.
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Isabeau de Neuchâtel |
Jean II de Neuchâtel |
Thibaut VIII de Neuchâtel |
Thibaut VII de Neuchâtel |
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Alix de Joinville |
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Agnès de Montfaucon |
Henri de Montfaucon |
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Marie de Châtillon-Blaigny |
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Margarida de Castro y Souza |
Fernando de Castro |
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Leonor Teles de Meneses |
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Mécia de Vilhena de Sousa |
Afonso Vasques de Sousa |
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Leonor Lopes de Sousa |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 1442/43 |
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| Death | 1479 |
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