By what nicknames was the elder brother of Matilda of Franconia called ?
Henry III, Holy Roman Emperor Henry III (28 October 1016 – 5 October 1056), called the Black or the Pious, was a member of the Salian Dynasty of Holy Roman Emperors. He was the eldest son of Conrad II of Germany and Gisela of Swabia. His father made him Duke of Bavaria (as Henry VI) in 1026, after the death of Duke Henry V.
Frederick II, Duke of Swabia Frederick II (1090 – 6 April 1147), called the One-Eyed, was Duke of Swabia from 1105 until his death, the second from the Hohenstaufen dynasty. His younger brother Conrad was elected King of the Romans in 1138.