Question: Who is the paternal grandfather of Fáelán Mac Murchado?
Sentence (from "Fáelán mac Murchado"): The location of the battle makes it probable that Cellach of the Osraige was the aggressor and was taking advantage of the rivalry of Faelan with Áed mac Colggen (died 738) of the Uí Cheinnselaig.
Relevant evidence: No