Save Gender Masculine Usage Welsh Mythology Pronounced Pron. [ɡɪl.ˈvɑːɨ̯θ.ʊ̯ɨ] [key·simplify] Meaning & History Uncertain meaning.He was a son of the goddess Dôn and brother of Gwydion and Arianrhod in the Fourth Branch of the Mabinogi.
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