Heinrich was born about 1416, the son of Erich I von Braunschweig-Grubenhagen and Elisabeth von Braunschweig-Göttingen. The place is not known.
He died in BET 07 MAY 1464 AND 20 DEC 1464 in Grubenhagen.
His wife was Malgorzata von Glogau-Sagan, who he married on BEF 27 JUN 1457. The place has not been found. Their only known child was Heinrich IV (1460-1526).
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Heinrich III von Braunschweig-Grubenhagen |
Erich I von Braunschweig-Grubenhagen |
Albrecht I von Braunschweig-Grubenhagen |
Ernst I von Braunschweig-Grubenhagen |
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Adelheid von Eberstein |
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Magnus II von Braunschweig-Lüneburg |
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Katharina von Anhalt-Bernburg |
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Elisabeth von Braunschweig-Göttingen |
Otto I von Braunschweig-Göttingen |
Ernst I von Braunschweig-Göttingen |
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Elisabeth von Hessen |
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Margarete van Gulik-Berg |
Willem van Gulik-Berg |
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Anna von der Pfalz |
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| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1416 |
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| Death | BET 7 MAY 1464 AND 20 DEC 1464 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1427 TO 1454 | herzog zu Braunschweig-Lüneburg | ||||
| Nobility Title | FROM 1427 TO 1454 | fürst von Braunschweig-Grubenhagen |