During the Second Battle of Magh Tuireadh, Elatha, son of Dalbaech, watched over Dagda's magic harp, Uaithne, sometimes called Dur-da-Bla, "the Oak of Two Blossoms," and sometimes Coir-cethar-chuin, "the Four-Angled Music."
Though considered to be the Fomorian father of Eochu Bres, Elatha (Elada) was also the father of the Dagda, Ogma, a son named Delbaeth, and Elloth (the father of Manannan mac Lir) according to the Lebor Gabála Érenn.