Question: According to what is Eithne the daughter of the Fomorian leader Balor and the mother of the god who is associated with skill, crafts and the arts as well as with oaths, truth and the law?
Sentence (from "Ethniu"): In Irish mythology, Ethniu (] ), or Eithne (] ) in modern spelling, is the daughter of the Fomorian leader Balor, and the mother of Lugh.
Relevant evidence: Yes