Maria married Istvan Iv, King Hungary about 1156. Istvan (son of Bela Ii (Masodik Hungary and Ilona Nemanjics (Jelena, Serbia, [QUEEN OF HUNGAR) was born about 1133 in Of, Esztergom, Komarom-Esztergo, HUNGARY; died on 11 Apr 1164. [Group Sheet] [Family Chart]