Duke Friedrich I
Duke Friedrich I, also known as Friedrich the One-Eyed, was a notable nobleman from the House of Hohenzollern. He ruled as the Duke of Swabia in the late 12th century. His reign was marked by efforts to consolidate power and manage the complex feudal relationships of the time.
Friedrich I was a key figure in the Holy Roman Empire, often involved in conflicts with rival factions. His leadership style and military engagements contributed to the political landscape of medieval Germany, influencing the future of the region and the Hohenzollern dynasty.