Casimir III, Duke of Pomerania
Casimir or Kasimir III (IV), oldest son of Barnim III, was one of the Dukes of Pomerania-Stettin. He died during a campaign against the Margraviate of Brandenburg during the siege of Königsberg in 1372. Wikipedia
Born: 1348, Western Pomerania
Died: August 24, 1372 (age 24 years), Chojna, Poland
Parents: Barnim III, Duke of Pomerania