Father: Duke Anton I of Oldenburg-Oldenburg Born: 1505 Married: Unknown Died: January 22, 1573
Mother: Princess Sophia of Sachsen-Lauenburg Born: 1515 Died: 1571
Children: 1. Princess Anna of Oldenburg-Delmenhorst (b.4/3/1539) 2. Duke Johann XVI of Oldenburg (b.9/9/1540) 3. Princess Katharina of Oldenburg-Delmenhorst (b.1541) 4. Duke Christian of Oldenburg-Delmenhorst (b.1543) 5. Princess Klara of Oldenburg-Delmenhorst (b.1546 6. Duke Anton II of Oldenburg-Delmenhorst (b.9/8/1550)