Save Gender Masculine Usage Welsh Mythology Pronounced Pron. [av.ˈa.ɔn] [key·simplify] Other Forms FormsAddaon Meaning & History According to Welsh tradition, Afaon fab Taliesin was the son of the bard Taliesin and a member of King Arthur's retinue. He appears both in the Welsh Triads and in the medieval Arthurian tale Breuddwyd Rhonabwy.