Bogislaw IV, of the House of Griffin, was Duke of Pomerania from 1278 until his death in 1309.
Bogislaw was the eldest son of Duke Barnim I by his second wife, Margaretha, sometimes said to be a daughter of King Eric X of Sweden. He was an adult... Wikipedia
Died: February 19, 1309
Great-grandparents: Bogusław I, Duke of Pomerania, Mestwin I, Duke of Pomerania, Anastasia of Greater Poland, and more
Grandchildren: Bogislaw V, Duke of Pomerania, Barnim IV, Duke of Pomerania, Wartislaw V, Duke of Pomerania, and more
Parents: Barnim I, Duke of Pomerania
Children: Wartislaw IV, Duke of Pomerania, Euphemia of Pomerania, Margaret of Pomerania, and more
Great grandchildren: Wartislaw VII, Duke of Pomerania, Bogislaw VIII, Duke of Pomerania, Bogislaw VI, Duke of Pomerania, and more
Grandparents: Bogislaw II, Duke of Pomerania and Miroslava of Pomerelia