Henry VI of the House of Hohenstaufen, succeeded his father, Frederick I the Barbarossa as Emperor of Germany in 1190. Henry VI ruled until 1197, and was succeeded by his brother, Philip of Swabia. Frederick I the Barbarosa, had himself crowned at Holy Roman Emperor in 1186 at Milan, and at the same time crowned his son Henry as Ceasar, a deliberate revival of the old Roman title. At the same time he crowned Henry's wife, Constance as Queen of the Germans.