Bogusław I, a member of the House of Griffin, was Duke of Pomerania from 1156 until his death. In 1181 he received the "Duchy of Slavinia" as a fief from Emperor Frederick Barbarossa. Wikipedia
Born: 1130
Died: March 18, 1187 (age 57 years), Altwarp, Germany
Great-grandparents: Siemomysł, Duke of Pomerania, Yaroslav the Wise, and Ingegerd Olofsdotter of Sweden
Parents: Wartislaw I, Duke of Pomerania
Children: Bogislaw II, Duke of Pomerania, Casimir II, Duke of Pomerania, Ratibor, and more
Great grandchildren: Bogislaw IV, Duke of Pomerania, Otto I, Duke of Pomerania, Ratibor II, Duke of Pomerania, and more
Grandchildren: Barnim I, Duke of Pomerania, Wartislaw III, Duke of Pomerania, Bogusław III de Poméranie, and more
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