BARNIM ( 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. After he became of age he was engaged in a long struggle with external enemies, and in 1250 was compelled to recognize the supremacy of the margrave of Brandenburg. Having in 1264 united the whole of Pomerania under his rule, Barnim devoted his energies to improving its internal condition. He introduced German settlers and customs. into the duchy, founded many towns, and was extremely generous towards ecclesiastical foundations. He died on the r3th or 14th of November 1278.