Frederick VI, Duke of Swabia
|This article does not cite any references or sources. (December 2009)|
Frederick VI of Hohenstaufen (February 1167 – 20 January 1191) was duke of Swabia from 1170 to his death at the siege of Acre. He was born in Modigliana, the third son of Frederick I Barbarossa and Beatrice I, Countess of Burgundy and brother of Henry VI, Holy Roman Emperor. Frederick was betrothed to the princess Constance of Hungary, but they never married. He died, aged 24, at Acre.
|Duke of Swabia
|This article about a member of the German nobility is a stub. You can help Wikipedia by expanding it.|