Cynwal Hundred Dogs
Kynwyl Canbwch
Son of Caw, one of twenty brothers, and one of Arthur’s warriors.
Cynwal son of Caw and Cynwal Hundred Dogs may actually be two separate characters.
Culwch lists the daughter Gwenn Alarch of Kynwyl Canbwch ('Kynwyl Hundred Boars') in the court list.