In the course of the Brandenburg–Pomeranian conflict, the Brandenburg margrave Louis II the Roman ceded it to Duke Barnim III of Pomerania in 1354.
Duke University | Duke Ellington | Duke | William III of England | Duke of Wellington | George III of the United Kingdom | Pomerania | Henry III of England | George III | Edward III of England | Prince William, Duke of Cambridge | Henry III | Edward III | Duke of York | Charles III of Spain | William III | Loudon Wainwright III | WTA Tier III tournaments | Duke of Norfolk | Richard III of England | Benigno Aquino III | Duke of Edinburgh | Duke of Burgundy | Pope Alexander III | Star Wars Episode III: Revenge of the Sith | Prince Arthur, Duke of Connaught and Strathearn | Henry III of France | George Villiers, 1st Duke of Buckingham | Prince Andrew, Duke of York | Gustav III of Sweden |
Casimir III, Duke of Pomerania (1348–1372), oldest son of Barnim III, Duke of Pomerania-Stettin