NIGHTBRINGER | The Arthurian Encyclopedia

Penarwan


According to the Trioedd ynys Prydein, she was the daughter of Culfanawyd.

She married Owain (Ywaine), but was unfaithful. Because of her infidelity, Owain abandoned her before she could bear him children.


Source
Triads of the Island of Britain (Welsh ”Triads”) | 11th century to 14th century