Was summoned to Chester by King Edgar. Lived in the 11th century. The great Prince of Cardigan, who married the Lady Morvydd, daughter and heir of Ynyr, King of Gwent.  He died in the reign of St. Edward the Confessor, circ. 1057. Arms of Gwaethvoed - Or, a lion rampant regardant, sable, crowned, armed and langued gules. Crest - a blackcock proper.