What title was created by Frederick I, Holy Roman Emperor?
Duke of Brabant: The Duke of Brabant was formally the ruler of the Duchy of Brabant since 1183/1184. Duke of Brabant:  The title was created by the German Emperor Frederick Barbarossa in favor of Henry I of the House of Reginar, son of Godfrey III of Leuven (who was Duke of Lower Lotharingia at that time). Frederick I, Holy Roman Emperor: Frederick I (German: "Friedrich I" , Italian: "Federico I" ; 1122 – 10 June 1190), also known as Frederick Barbarossa (Italian: "Federico Barbarossa" ), was the Holy Roman Emperor from 1155 until his death.
Duke of Brabant