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Male Wilhelm Duke of Brunswick Grubenhagen Click to view Wilhelm Duke of Brunswick Grubenhagen in the family tree

Wilhelm Duke of was born about 1270 in of, Braunschweig, Brunswick, Germany.1   Wilhelm Duke of's father was 'Der Grosse' and his mother was Princess of Montferrat Alessina.  His paternal grandparents were Otto I 'Das and Mathilde Princess Of Brandenburg; his maternal grandparents were Bonifacio III Marchese of Montferrat and Margherita Countess of Savoy. He had five brothers and a sister, named Heinrich I Duke of, Albrecht II, Otto Prince of, Konrad Prince of, Luder Prince of and Mathilde Princess of.  He was the third oldest of the seven children.  He died on September 30th, 1292.1 

1 Joanne's Tree.1 GED.GED
Further source/citation:
daveanthes.FTW

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