Ernest III of Brunswick-Grubenhagen-Herzberg, was a member of the noble family of Guelph and a duke of Brunswick-Grubenhagen.
Ernest III, by Cranach, Museum of Fine Arts, Reims
Princess Margaret of Pomerania-Wolgast (1518–1569) by Lucas Cranach the Elder
Philip II, Duke of Brunswick-Lüneburg, a member of the House of Welf, was the last ruler of the Principality of Grubenhagen from 1595 until his death. When he died in 1596, the Grubenhagen branch of t
Ernest III of Brunswick-Grubenhagen
…his duchy was inherited by his younger brother Wolfgang. When he, too, died without a male heir, the duchy was inherited by their youngest brother, Philip II. With Philip's death, the Brunswick-Grubenhagen line of the House of Guelph died out, and the duchy was merged back into Brunswick-Wolfenbüttel. Paul…
Katlenburg Castle, Merian, 1654