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.
Cerball is considered a renowned ancestor of numerous prominent families in Ireland, Scotland, and Iceland. He serves as the direct male progenitor of the kings of Osraige following him, and thus, the direct male-line ancestor 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.