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.
Matthew, Count of Boulogne Matthew, Count of Boulogne, also known as "Matthew of Alsace" (  1137 –1173) was the second son of Thierry, Count of Flanders and Sibylla of Anjou. Matthew forcibly abducted the nun Marie de Boulogne, daughter of Stephen, King of England, and constrained her into marriage, claiming the title of Count of Boulogne "jure uxoris" in 1160. The forced marriage was opposed by the Church and finally annulled in 1170, but he continued to rule as Count until his death.