Christian I, known as "the Quarrelsome", was Count of Oldenburg from 1143 to 1167. He was son of Elimar II, Count of Oldenburg and wife Eilika von Werl-Rietberg, daughter of Count Heinrich von Rietberg.
Marriage and issue
He married Kunigunde and had two sons: Maurice, Count of Oldenburg (c. 1145 - c. 1211) and Christian the Crusader (de). ==References==