Gareth
Fictional character
Gareth is a Knight of the Round Table in Arthurian legend. He is the youngest son of King Lot and Queen Morgause, King Arthur's half-sister, thus making him Arthur's nephew, as well as brother to Gawain, Agravain and Gaheris, and either a brother... Wikipedia
Title: Prince, Sir
Notable alias: Sir Gareth
First appearance: The First Continuation of Perceval, the Story of the Grail