 Cerball is hailed as an illustrious ancestor of several prominent lineages in both Ireland, Scotland and Iceland.He is the direct male ancestor of the kings of Osraige after him, and as such is the direct male-line progenitor of the Mac Giolla Phádraig clan who maintained kingship over Osraige and succeeded in the Barony of Upper Ossory in addition to the Earldom of the same and the Castletown Barons.He is also direct-male ancestor of the prominent clan Ua Braonáin (O'Brennan) of Uí Duach (Idough) in Osraige who were a junior sept stemming from a younger son of Cerball.