Frederick II, Duke of Austria Duke of Austria and the Duke of Styria from 1230 to his death in 1246 (1211–1246) Parents Theodora Angelina Leopold VI, Duke of Austria Children Siblings Leopold Babenberský Heinrich der Grausame von Österreich Constance of Babenberg Margaret of Austria, Queen of Bohemia Gertrud von Babenberg Agnes of Babenberg Partners Agnes of Merania Sophia Eudokia Laskarina
