NIGHTBRINGER | The Arthurian Encyclopedia

Galamanasar

Gabanasar, Galamanascor

A pagan king, related to King Priam of Troy, who constructed a castle in Britain, dubbed the Treacherous Castle by St. Augustine.

Galamanasar and his people remained steadfast pagans while Joseph of Arimathea converted the rest of Britain to Christianity.


Sources
Post-Vulgate Queste del Saint Graal | 1230-1240
Prose Tristan | 1230-1240