Erich was born about 1275, the son of Johann I von Sachsen-Lauenburg and Ingeborg Birgersdotter av Sverige. The place is not known.
He died in 1361 in Nienburg.
His wife was Elisabeth von Pommern-Wolgast, who he married in 1316. The place has not been found. Their five known children were Helene (c1319->1359), Erich II (<1320-1368), Johann (c1324-1364), Albrecht (c1328-?) and Magnus (?-?).
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Erich I 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 1275 |
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| Death | 1361 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | FROM 1305 TO 1361 | herzog von Sachsen in Ratzeburg und Lauenburg |