Johann was born about 1280, the son of Johann I von Sachsen-Lauenburg and Ingeborg Birgersdotter av Sverige. The place is not known.
He died on 22 APR 1322. The place is not known.
His wife was Elisabeth von Holstein-Rendsburg, who he married in 1315. The place has not been found. They had no known children.
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Johann II von Sachsen-Lauenburg |
Johann I von Sachsen-Lauenburg |
Albrecht I von Sachsen |
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Helene von Braunschweig-Lüneburg |
Otto I von Braunschweig-Lüneburg |
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Mathilde von Brandenburg |
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Ingeborg Birgersdotter av Sverige |
Birger Magnuson av Bjalbo |
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Ingeborg Eriksdotter av Sverige |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | ABT 1280 |
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| Death | 22 APR 1322 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | FROM 1305 TO 1322 | herzog von Sachsen-Lauenburg |