Thankmar was the son of Heinrich I von Sachsen and Hateburge von Alstadt. The date and place of his birth have not been found.
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Heinrich I von Sachsen |
Otto I Wettin von Sachsen |
Liudolf von Ostsachsen |
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Heilwide de Frioul |
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Hedwige von Babenberg |
Henri de la Marche |
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Ingeltrude de Frioul |
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Eberwin von Alstadt |
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