Alongside the Uí Liatháin in this region of Britain were a significant force of the so-called Déisi, whose story is told in the famous Expulsion of the Déisi already mentioned above,[REF] as well as a smaller population of the Laigin.
The Uí Liatháin can, however, be associated easily with their apparent relation Crimthann mac Fidaig, the legendary King of Munster and dominant High King of Ireland of the 4th century.