Parents
Father: Count Johann I of Oldenburg-Oldenburg Born: 1233 Married: Unknown Died: 1270
Mother: Princess Richza of Hoya Born: 1235 Died: 1282
Children: 1. Count Christian III of Oldenburg-Oldenburg (b.1252) 2. Count Otto II of Oldenburg-Delmenhorst (b.1253) 3. Count Moritz of Oldenburg-Oldenburg (b.1255) 4. Count Johann III of Oldenburg (b.1256) 5. Count Heinrich of Oldenburg-Oldenburg (b.1258) 6. Princess Hedwig of Oldenburg-Oldenburg (b.1260)