Proper noun
Elatha
(Irish mythology) A king of the Fomorians and the father of Bres by Ériu of the Tuatha Dé Danann, as well as Delbaeth, Ogma, Elloth (grandfather of Manannán mac Lir), and the Dagda by an unnamed mother.
It is also notable that Fomorians such as Elatha and Balor are closely related to the Tuatha Dé. Source: Internet