Maurice I (German: Moritz I.; c. 1150 – c. 1211) was Count of Oldenburg from 1169 through 1211. He was the son of Count Christian I of Oldenburg and his wife Kunigunde.
Marriage and issue
He married Salome, the daughter of Otto II, Count of Wickrath, and had:
Christian II, Count of Oldenburg 1211–1233
Otto I, Count of Oldenburg 1209–1251
Kunigunde of Oldenburg (married before 1230 to Giselbert III of Bronckhorst)