Christian I, known as "the Quarrelsome" (died 1167[1]), was Count of Oldenburg from 1143 to 1167.
He was son of Elimar II, Count of Oldenburg and wife Eilika von Werl-Rietberg,[2] daughter of Count Heinrich von Rietberg.
[3] He married Kunigunde and had one son, Maurice, Count of Oldenburg (c. 1145 - c. 1211)
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