Rupert of Mansfeld
Rupert of Mansfeld was a son of Count Burchard V of Mansfeld-Querfurt and Oda of Wernigerode, documented from 1314 to 1359. He entered the Order of Saint John and served as a Hospitaller commander: from 1339 to 1341 he was Komtur of Mirow, and from 1349 to 1359 he headed the commandery of Goslar.