He states the among the tribes who pay "servile rent" were "Tuath Fhochmhuinn ... of Ui Fhailghe and over Fotharta (Fortúatha?) of Dairbhre (Kildorrery?) and Almhain (Bog of Allen/Hill of Allen) and Mairtine or Maidirdine." (50.7, pp. 217–17).
In addition, it contained areas known as Trícha cét's, Túath and is the homeland of surnames such as Ó Conchobhair (O'Connor), Mac Diarmada (McDermott), Ó Ceallaigh (Kelly), Ó Birn (Beirne, Byrne, Burns), Mac Donnchadha (McDonough) and Brennan (Mac Branáin and Ó Branáin).