Fhloinn (O'Lynn) and became restricted to the territory of Magh Line. The Uí Fhloinn were the ruling sept of the Airgíallan Uí Tuirtri as well as rulers of Fir Lí, and in a process of gradual infiltration by marital and military alliances as well as growing pressure from the encroaching Cenél nEógain, they moved their power east of the Bann. Once they had come to prominence in Antrim the Ua Flainn styled themselves as king of Dál nAraidi (in Tuaiscirt), Dál Riata, and Fir Lí, alongside their own Uí Tuirtri. Tribes and relations Tribes and septs of the Dál nAraidi include amongst others: Locations Tuatha Latharna, alias Latharne, meaning the "descendants of Lathar", present-day Larne. Lathar, alias Lath, is claimed as being the son of Ugaine Mór. Semne, modern-Irish Seimhne, now known as Island Magee, is located within Latharna and was the name of an early tribal grouping, which became the name of a petty-kingdom. Maige Damoerna, alias Mag Damairne. Modern-Irish Machaire Morna, meaning "plain of Morna", and Anglicised as Magheramorne. Located west of Larne Lough. Dál mBuinne, alias Dál Buain. Also known as Mic Ui Buan, Maccu Boin, and Tuath Búain, an aithechthúatha (client-people) of Dál nAraidi Magh Line. Dál Sailni, alias Dál Selle, Dál Sailne, and Tuath Selle. They descended from Fedhlim Sailne, and were possibly a former sóerthúatha (free-people), however became an aithechthúatha of Dál nAraidi Magh Line. Whilst the ruling dynasty of the Dál nAraidi Magh Line, the Uí Choelbad, supplied the principal kings, Dál Sailni held the principal church of Connor. In the post-Viking era, Dál Sailni and its church was taken over by the encroaching Uí Tuirtri. Tuath Sine, cited as a aithechthúatha of Dál nAraidi Magh Line. Religious foundations Cell Glass, alias Cell Glas. A church said to have been founded by St. Patrick. Located in Eilne, east of Domnach Mór. Lathrach Pátraic, also spelt as Leitir. Meaning "St. Patrick's site", the place is now known as Glenavy, modern-Irish Lann Abhaigh, meaning "church of the dwarf". Called "Lathrach Pátraic" in the Tripartite Life of Saint Patrick, the church referenced was said to have been founded by St. Patrick who left his disciple Daniel, who was of diminutive size, in charge. Domnach Combair. Possibly Comber in County Down, modern-Irish An Comar, meaning "the confluence". Domnach means "church/monastery", and refers to a monastery said to have been built by Conla who had encountered St. Patrick.