Aoi Mac Ollamain or Ai Mac Ollamain (also Mac Ollamo and Mac OllavainMatson, Gienna: Celtic Mythology A to Z, page 2. Chelsea House, 2004. ) is a god of poetry and one of the Tuatha Dé Danann in Irish mythology. Ai is the son of Olloman, who saved him from the king's decree that Aoi be killed, a decree made in response to a druid's prediction that Aoi would be born with special powers.
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