By what nicknames was the elder brother of Matilda of Franconia called ?
Matilda of Franconia Matilda of Franconia (  1027 – 1034) was a daughter of Emperor Conrad II and Gisela of Swabia from the Salian dynasty. Matilda’s elder brother was Henry III, Holy Roman Emperor.
Hagen (legend) Hagen (German form) or Högni ("Old Norse" Hǫgni, often anglicized as Hogni) is a Burgundian warrior in tales about the Burgundian kingdom at Worms. Hagen is often identified as a brother or half-brother of King Gunther (Old Norse "Gunnarr"). In the "Nibelungenlied" he is nicknamed "from Tronje".