Magnus I, Duke of Mecklenburg Duke of Mecklenburg (1383–1384) (1345–1384) Parents Euphemia of Sweden Duke Albrecht II, Duke of Mecklenburg Children John IV, Duke of Mecklenburg Euphemia von Mecklenburg-Schwerin Siblings Ingeborg of Mecklenburg-Schwerin Anne of Mecklenburg Albert, King of Sweden Henry III, Duke of Mecklenburg Partners Elisabeth of Pomerania
