Did you mean: Frederick IV, Duke of Swabia
Frederick VI, Duke of Swabia
Member of the Hohenstaufen
Frederick VI of Hohenstaufen was Duke of Swabia from 1170 until his death at the siege of Acre. Wikipedia
Born: February 1167, Modigliana, Italy
Died: January 20, 1191 (age 23 years), Acre, Israel
Great-grandparents: Frederick I, Duke of Swabia, Agnes of Waiblingen, Henry IX, Duke of Bavaria, and more
Parents: Frederick Barbarossa and Beatrice I, Countess of Burgundy
Cousins: Agnes of Hohenstaufen and Friedrich Hohenstaufen