Eric I, Duke of Brunswick-Grubenhagen
Eric I, Duke of Brunswick-Grubenhagen nicknamed the winner, ruled the Principality of Grubenhagen, a part of the Duchy of Brunswick-Lüneburg. Wikipedia
Born: 1383
Died: May 28, 1427 (age 44 years)
Grandparent: Ernest I, Duke of Brunswick-Grubenhagen
Great-grandparents: Henry I, Duke of Brunswick-Grubenhagen and Agnes of Meissen
Great grandchildren: Francesco II Gonzaga, Marquis of Mantua, Frederick III, Christina of Saxony, and more
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