Question: Who is Eber Finn's paternal grandfather?
Sentence (from "Eber Finn"): Éber Finn (modern spelling: Éibhear Fionn), son of Míl Espáine, was, according to medieval Irish legend and historical tradition, a High King of Ireland and one of the founders of the Milesian lineage, to which medieval genealogists traced all the important Gaelic royal lines.
Relevant evidence: Yes