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.
Fritz Fritz originated as a German nickname for Friedrich, or Frederick ("der alte Fritz" was a nickname for King Frederick II of Prussia and Frederick III, German Emperor), as well as for similar names including Fridolin. Fritz was also a name given to German troops by the British and others in the First and Second World Wars, equivalent to Tommy, as the British troops were called by German and other troops. Other common bases for which the name Fritz was used include the surnames Fritsche, Fritzsche, Fritsch, and Frisch(e).