Johann was the son of Heinrich von Braunschweig-Grubenhagen and Agnes von Meißen. The date and place of his birth have not been found.
He died on 23 MAY 1367. The place is not known.
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Heinrich von Braunschweig-Grubenhagen |
Albrecht I von Braunschweig-Lüneburg |
Otto I von Braunschweig-Lüneburg |
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Mathilde von Brandenburg |
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Alessine di Montferrato |
Bonifacio II di Montferrato |
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Margherita di Savoia |
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Agnes von Meißen |
Albecht II von Meißen |
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Margaretha von Staufen |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | 23 MAY 1367 |
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Note 1
kanoniker in Mainz, Münster, etc.