Sidonia was the daughter of Franz Napus von Thurn und Valsássina and Barbora Schlik. The date and place of her birth have not been found.
Franz Napus von Thurn und Valsássina |
Veit von Thurn und Valsássina |
Anton I von Thurn und Valsássina |
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Amorosa von Landenberg |
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Barbora Schlik |
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