Christian I, known as "the Quarrelsome" (died 1167), was Count of Oldenburg from 1143 to 1167. He was son of Elimar II, Count of Oldenburg and wife Eilika von Werl-Rietberg,Montgomery-Massingberd, Hugh (editor). Burke's Guide to the Royal Family, Burke's Peerage, London, 1973, pp. 277-278, 307, 327-328. daughter of Count Heinrich von Rietberg.Biographisches Handbuch zur Geschichte des Landes Oldenburg (PDF; 6,8 MB). Isensee-Verlag, pag. 126, 127,
Marriage and issue He married Kunigunde and had two sons: Maurice, Count of Oldenburg (c. 1145 - c. 1211) and Christian the Crusader (de). References