Johann was the son of Konrad III von Tengen but his mother is unknown. The date and place of his birth have not been found.
He died in 1381. The place is not known.
His wife was Anna von Wartenfels. They were married, but the date and place have not been found. Their only known child was Johann III Henman (?->1408).
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Johann I von Tengen |
Konrad III von Tengen |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | 1381 |
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