Father: Prince Heinrich I of Mecklenburg Born: 1240 Married: Unknown Died: January 2, 1302
Mother: Princess Anastasia of Pommern Born: 1245 Died: March 15, 1317
Children: 1. Prince Heinrich II of Mecklenburg (b.1267) 2. Duke Johann III of Mecklenburg (b.1270) 3. Princess Ludgarde of Mecklenburg (b.1272)