‘Gwenllian the Fair’
Gwenlliant
Daughter of Garwy Hir. She was one of the three mistresses of King Arthur, according to the Triad.
Culhwch lists her as one of the Gold-torqued Women of Britain.
fair Gwenlliant the magnanimous maiden
Source
Triads of the Island of Britain (Welsh ”Triads”) | 11th century to 14th century

