Frederick V, Duke of Swabia
Frederick V of Hohenstaufen (Pavia, 16 July 1164 – 28 November 1170) was duke of Swabia from 1167 to his death. He was the eldest son of Frederick III Barbarossa and Beatrice I, Countess of Burgundy.
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Wikipedia
Frederick V of Hohenstaufen (Pavia, 16 July 1164 – 28 November 1170) was duke of Swabia from 1167 to his death. He was the eldest son of Frederick III Barbarossa and Beatrice I, Countess of Burgundy.