John I, Duke of Mecklenburg-Stargard Duke of Mecklenburg-Stargard (1326–1393) Parents Anna of Saxe-Wittenberg Henry II, Lord of Mecklenburg Children Anna of Mecklenburg-Stargard John II, Duke of Mecklenburg-Stargard Albert I, Duke of Mecklenburg-Stargard Ulrich I, Duke of Mecklenburg-Stargard Rudolf of Mecklenburg-Stargard Siblings Duke Albrecht II, Duke of Mecklenburg Ludgarda von Mecklenburg Beatrix von Mecklenburg Agnes zu Mecklenburg Maud of Mecklenburg Partners Agnes of Lindau-Ruppin Anna von Holstein Rixa