Background
Henry was the son of Henry III of Brunswick-Grubenhagen and Margaret, a daughter of the Duke January I of Żagań and Scholastica of Saxe-Wittenberg.
Henry was the son of Henry III of Brunswick-Grubenhagen and Margaret, a daughter of the Duke January I of Żagań and Scholastica of Saxe-Wittenberg.
After his father"s death in 1464, he succeeded him as Prince of Grubenhagen. After 1479, he divided the principality with Albert. Albert received Osterode Castle and Herzberg Castle.
Henry received Heldenburg Castle.
They ruled Grubenhagen Castle jointly.
