NIGHTBRINGER | The Arthurian Encyclopedia

Briant of the Red Isle

Briant of the Red Island

A king who married Mariole, a maiden with a magical golden circlet. They had a daughter named Tristouse.

When Mariole’s magic circlet was stolen, Briant died. Tristouse later had a son named Torec, who defeated Arthur’s knights.


Source
Torec | Jacob van Maerlant, c. 1280