Kazimierz III of Gniewkowo
Former Governor of the Duchy of Pomerelia
Kazimierz III of Gniewkowo, was a Polish prince member of the House of Piast, Duke of Inowrocław during 1287-1314, since 1306 vassal of the Kingdom of Poland, Governor of the Duchy of Pomerelia during 1306-1309, after 1314 ruler over Gniewkowo. Wikipedia
Born: 1280
Died: 1350 (age 70 years)
Great grandchildren: Jadwiga of Poland, Mary, Queen of Hungary, Catherine of Hungary, and more
Grandchildren: Elizabeth of Bosnia and Maria of Bosnia
Grandparents: Casimir I of Kuyavia, Sambor II, Duke of Pomerania, and Constance of Wrocław
Great-grandparents: Konrad I of Masovia, Henry II the Pious, Anne of Bohemia, Duchess of Silesia, and more