BARNIM I. (c. 1209-1278), called the Good, was the son of Bogislaus II., duke of Pomerania-Stettin, and succeeded to this duchy on his father's death in 1220. In 1250 he was compelled to recognize the supreracy of the margrave of Brandenburg. Barnim introduced German settlers and customs into the duchy, founded many towns, and was extremely generous towards eccle siastical foundations.