Wilhelm was the son of Johann III von Khevenhüller and Erentrud Volrer. The date and place of his birth have not been found.
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Johann III von Khevenhüller |
Johann II von Khevenhüller |
Johann I von Khevenhüller |
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Magdalena von Khünburg |
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Polyxena Mordar |
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Erentrud Volrer |
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