Dal Riada defined as North Antrim in Ireland. Of the formerly pagan sacral Ulidian of Fir-Bolg royal house descended through the semi-legendary "Peace King" Conaire Mor from ritual incarnations of the Celtic god-spirit of the sun, Eochaid (the Horseman of the Heavens), equated with a male manifestation of the ancient Belgic goddess-spirit of lightning, Bolg (Moncreiffe, Iain. The highland clans. NY : C.N. Potter, rev. ed., 1982, lining papers). LDS site takes this line back to Fiacha Srabhteine in 235 A.D., but the dates are inconsistent with some generations from Erc on, so I have not included them. LDS site has his wife as Marca, but because of date problems I have not included her.