Constanza was the daughter of Federico II del Vasto and Béatrice de Genève. The date and place of her birth have not been found.
Her husband was Jean III de Blois-Châtillon. They were married, but the date and place have not been found. They had no known children.
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Federico II del Vasto |
Tomasso II del Vasto |
Federico I del Vasto |
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Ricciarda Visconti |
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Béatrice de Genève |
Hugues de Genève |
Amédée II de Genève |
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Agnès de Châlon |
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