Barnim I the Good from the Griffin dynasty was a Duke of Pomerania from 1220 until his death. Wikipedia
Born: 1217
Died: November 13, 1278 (age 61 years), Dąbie, Szczecin, Poland
Great-grandparents: Wartislaw I, Duke of Pomerania, Mieszko III of Poland, Sobieslaw I, Duke of Pomerania, and more
Grandparents: Bogusław I, Duke of Pomerania, Mestwin I, Duke of Pomerania, Anastasia of Greater Poland, and more
Parents: Bogislaw II, Duke of Pomerania and Miroslava of Pomerelia
Grandchildren: Barnim III, Duke of Pomerania, Wartislaw IV, Duke of Pomerania, Ludgarda of Mecklenburg, and more
Great grandchildren: Bogislaw V, Duke of Pomerania, Barnim IV, Duke of Pomerania, Swantibor I, Duke of Pomerania, and more