NIGHTBRINGER | The Arthurian Encyclopedia

Billeius

Hirelglas

Bedivere’s nephew in a French chronicle. He is usually called Hirelglas.

He was said to have married a woman named Fausta, to have had a daughter named Lupa, and to have built the city of Bliriacus.


Source
Liber de Compositione Castri Ambaziae | c. 1140