Nightbringer | The Arthurian Online Encyclopedia

Segart

Sebart, Segras

A knight who fought for Arthur in the Roman War, according to the Vulgate Merlin.

Avenging the defeat of his uncle, Bedivere, he killed King Boccus of Mede.

He is called Hirelglas in Geoffrey and Wace.


Source
Vulgate Merlin | 1220-1235