
1) Arthurian character 2) Arthurian legend boy name 3) Legendary British king
Found on
https://www.crosswordclues.com/clue/vortimer

Vortimer (Gwerthefyr) is a figure in British tradition, a son of the 5th-century Britonnic ruler Vortigern. He is remembered for his fierce opposition to his father`s Saxon allies. In Geoffrey of Monmouth`s Historia Regum Britanniae, he overthrows his father and reigns as King of Britain for a brief period before his death restores Vortigern to .....
Found on
http://en.wikipedia.org/wiki/Vortimer
No exact match found.