Henry III, Duke of Brunswick-Grubenhagen

Henry III, Duke of Brunswick-Grubenhagen
Born1416
Died1464
SpouseMargaret of Sagan
IssueHenry IV
HouseHouse of Guelph
FatherEric I, Duke of Brunswick-Grubenhagen
MotherElisabeth of Brunswick-Göttingen

Henry III, Duke of Brunswick-Lüneburg (* 1416 Grubenhagen, † 20 December 1464), of the House of Welf, was a Duke of Brunswick-Lüneburg ruling the ducal Principality of Grubenhagen between 1427 and 1464.