Konrad was born in BET 1448 AND 1450, the son of Bolesław IV von Massow but his mother is unknown. The place is not known.
He died on 28 OCT 1503. The place is not known.
He had two marriages/partners. His first wife was Magdalena Stawrot, who he married on BEF 13 JUN 1468. The place has not been found. They had no known children.
His second wife was Anna Radziwill, who he married in BET 6 OCT 1496 AND 2 APR 1497. The place has not been found. They had no known children.
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Konrad III von Massow |
Bolesław IV von Massow |
Bolesław III von Massow |
Janusz I von Massow |
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Danuta Anna of Lithuania |
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Anna Ivanovna Holczanska |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | BET 1448 AND 1450 |
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| Death | 28 OCT 1503 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | prince of Warszawa |