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.
Christian V, Count of Oldenburg Christian V, Count of Oldenburg (sometimes called "Christian VI";  1342 – after 6 April 1399) was the ruling count of Oldenburg from 1368 until 1398. He was born sometime before 1347 to Count Conrad I of Oldenburg and Ingeborg of Brunswick. After his father died in 1368, he ruled Oldenburg jointly with his elder brother Conrad II, and after Conrad II's deaths in 1386, with the latter's son, Maurice II.