Eric I, Duke of Brunswick-Grubenhagen

Duke of the Principality Grubenhagen (1380–1427)

Parents

• Agnes of Brunswick-Lüneburg
• Albert I, Duke of Brunswick-Grubenhagen

Children

• Sophie von Braunschweig-Grubenhagen
• Margaret of Brunswick-Grubenhagen
• Ernest II, Duke of Brunswick-Grubenhagen
• Albert II, Duke of Brunswick-Grubenhagen
• Agnes of Brunswick-Grubenhagen
• Anna of Brunswick-Grubenhagen-Einbeck
• Elisabeth of Brunswick-Grubenhagen
• Henry III, Duke of Brunswick-Grubenhagen

Partners

• Elisabeth of Brunswick-Göttingen