Note 5 — Chapter I · The Early History—Before A. D. 843.

An. F. M. (O’Donovan), 554, and Note; and Adam. Vit. Col. (Reeves), passim. The great family of the Hy Nial supplied the Ardrighs or kings paramount of Ireland, uninterruptedly from the dawn of authentic history, until their power was shaken by the Northmen. The northern branch was subdivided into the Cinel Eogan and Cinel Conal, more familiarly, but less accurately, known as Tyrone and Tirconnell; the southern into Clan Colman and Siol Aodh Slane.