John III, Lord of Mecklenburg

Co-ruler of Mecklenburg; Peerage person ID=41860 (1266–1289)

Parents

• Anastasia of Pomerania
• Henry I, Lord of Mecklenburg

Children

• Luitgard von Mecklenburg

Siblings

• Ludgarda of Mecklenburg
• Henry II, Lord of Mecklenburg

Partners

• Helene von Rügen