 Cathal's father was Finguine mac Cathail, uncle Ailill mac Cathail, grandfather Cathal Cú-cen-máthair, and great-grandfather Cathal mac Áedo.A son was Artrí mac Cathail, and a grandson Tnúthgal mac Artrach.With the exception of the last, all are reliably mentioned as kings of Cashel in the annals.