Emperor Freidrich I. (Frederick I.) Barbarosa (1123-1190)
Duke of Swabia (as Friedrich III., 1147-1190)
German King and Holy Roman Emperor (1152-1190)

Frederick I as a crusader with (right) Henry of Schäftlarn dedicating to him a copy of the History of the First Crusade by Robert of St. Remy
Miniature from a manuscript in the Vatican Library (Vat. Lat. 2001)