Question: Who is Fíacha Sroiptine's paternal grandfather?
Sentence (from "Fíacha Sroiptine"): The Three Collas—Colla Uais, Colla Fo Chri and Colla Menn, sons of Fíacha's brother Eochaid Doimlén—gave battle to Fíacha while Muiredach and his army were still in Munster.
Relevant evidence: No