Sieghard was the son of Friedrich I von Tengling and Mechtild von Angstgau. The date and place of his birth have not been found.
He died about 1104. The place is not known.
His wife was Ida von Supplinburg. They were married, but the date and place have not been found. Their only known child was Gebhard I (?-c1163).
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Sieghard IX (X) von Tengling |
Friedrich I von Tengling |
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Mechtild von Angstgau |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | ABT 1104 |
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