Dal Riada -in descent from Cairbre Rioghfhoda (Ríada), son of Conaire, in the line of Heremon. Dál Riata was the tribal and territorial name of the early tribes of County Antrim, particularly the northeast portion. The earliest knowledge we have of them comes from when they were still in Ireland. The area later known as the Route (Rúta), in northern co. Antrim, is often equated with the Dál Riada. The Dál Riada extended their kingdom into Scotland probably during the 3rd to the 7th centuries. The early term that the Romans referred to these and other tribes from Ireland was the "Scoti", thus the legend of where Scotland received its name. An ancient genealogy of Dál Riata cites their common ancestor as Glass mac Nuadait Argatlám of clan Úgaine Mor, from whom are