 The Síl Colla Fochríth, descend from Colla Fochríth, the first king of Airgíalla and one of Three Collas.Clans and septs that are claimed to descend from Colla Fochríth but with no other information given include; "Ui Maine", "Fir Dubhshlat", "Ui Conaill", and "Ui Luain".Imchad was one of Colla Fochríth's sons, and from him son Muiredach Méth would descend the Uí Méith.