Father: Count Gunzel III of Schwerin Born: 1217 Married: Unknown Died: 1274
Mother: Princess Margarethe of Mecklenburg Born: 1215 Died: 1282
Children: 1. Count Gunzel IV of Schwerin (b.1237) 2. Princess Mechtild of Schwerin (b.1239) 3. Count Hetmold III of Schwerin (b.1241) 4. Count Nikolaus I of Schwerin-Wittenburg (b.1243) 5. Archbishop Johann of Riga (b.1246)