 Barnim I, Duke of Pomerania

Barnim I the Good ( – 13 November 1278) from the Griffin dynasty was a Duke of Pomerania ("ducis Slauorum et Cassubie") from 1220 until his death.Son of Duke Bogislaw II and Miroslawa, daughter of Duke Mestwin I of Pomerelia, he succeeded to the Duchy of Pomerania-Stettin upon his father's death in 1220; he had however to share the rule of Pomerania with his cousin Wartislaw III, who resided at Demmin.