Clarel, Clarell, Gloriel
A Saxon king who, at the beginning of Arthur’s reign, joined a number of others, led by Rions (Ryons), in an invasion of Carmelide (Cameliard).
Arthur slew him at the battle of Aneblayse.
See also
Gloriant | The Legend of King Arthur
Source
Vulgate Merlin | 1220-1235
Arthour and Merlin | Late 13th century