Nightbringer | The Arthurian Online Encyclopedia

Rhun Rhudwern


He’s mentioned in Culhwch in the court list, but nowhere else which makes me guess he’s identical to one of the other Rhun’s.


See also
Rhun | The Legend of King Arthur
Rhun Red Adler | The Legend of King Arthur


Source
Culhwch and Olwen | Late 11th century