Frederick IV, Duke of Swabia
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Frederick I was duke of Swabia, succeeding his cousin Frederick Barbarossa in 1152.
Frederick from a detail of the German royal family tree in the 12th-century Chronica sancti Pantaleonis
Duke of Swabia
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The Dukes of Swabia were the rulers of the Duchy of Swabia during the Middle Ages. Swabia was one of the five stem duchies of the medieval German kingdom, and its dukes were thus among the most powerf
Frederick II of Swabia
Barbarossa
Fridrich Swabia