Wartislaw I, Duke of Pomerania
Wartislaw I was the first historical ruler of the Duchy of Pomerania and the founder of the Griffin Dynasty.
Most of the information about him comes from the writings on the life of Otto of Bamberg. He was of Slavic origin, most likely born around... Wikipedia
Born: 1091, Kievan Rus'
Died: August 9, 1135 (age 44 years), Stolpe an der Peene, Germany
Great-grandparents: Vladimir the Great, Olof Skötkonung, Rogneda of Polotsk, and more
Grandparents: Siemomysł, Duke of Pomerania, Yaroslav the Wise, and Ingegerd Olofsdotter of Sweden
Parents: Świętobor, Duke of Pomerania and Sviatoslav II of Kiev
Great grandchildren: Barnim I, Duke of Pomerania, Wartislaw III, Duke of Pomerania, Bogusław III de Poméranie, and more