Cairbre, or his sept, for we have no record by which the grant can be dated, obtained that territory in the north-eastern corner of Connacht, bordering on Ulster, which still retains his name in that of the barony of Carbury in Co. Sligo. A second territory appropriated to Cairbre or his sept was around Granard in Co. Longford. A third was on the Leinster border, and it still preserves the name in that of the barony of Carbury in the north of Co. Kildare. Loeguire, son of Niall, who became king of Ireland, obtained, or his near descendants obtained, a territory on the Connacht side of Loch Erne, another in Westmeath, another in East Meath or Bregia. Maine, son of Niall, obtained a territory on the east side of the Shannon; Fiachu, son of Niall, a territory in Westmeath; Ardgal, a grandson of Niall, a territory in East Meath. It seems quite clear that no appropriations of this kind took place before the time of Niall, the close of the fourth century. Had there been earlier appropriations in Connacht or Meath, then there must have been royal septs, offshoots of the Connacht-Meath dynasty, in possession of the appropriated territories and claiming descent from earlier kings of Connacht or Meath. Nor was this claim of descent likely to be forgotten, for, as the Book of Rights shows, in each of the principal group-kingdoms, the kings whose kinship to the principal dynasty was acknowledged, were free of tribute to the principal king. The Book of Rights shows that, except the descendants of Niall and of his brothers, all the petty kingdoms of Connacht and Meath were tributary to the over-kings; and the genealogies show that the ruling families of the tributary kingdoms were as a rule of quite distinct lineage from that of the over-kings. The natural inference from these facts is that this process of superimposing new lords of the dominant dynastic blood over old rulers of a different lineage begins in the time of Niall of the Nine Hostages, about A.D. 400.