Cenél nGabráin

Gabrán mac Domangairt (Old Welsh: Gawran map Dinwarch) or Gabrán the Traitor (Gwran Wradouc) was king of Dál Riata, Ulaid, in the mid-6th century. He is the eponymous ancestor of the Cenél nGabráin. Gabrán was the son of Domangart Réti.

The historical evidence for Gabrán is limited to the notice of his death in the Irish and Welsh annals. It is possible that Gabrán's death should be linked to a migration or flight from Bridei mac Maelchon, but this may be no more than coincidence.

Gabrán's chief importance is as the presumed ancestor of the Cenél nGabráin, a kingroup which dominated the kingship of Dál Riata until the late 7th century and continued to provide kings thereafter. Kings of Alba and of Scotland traced their descent through Gabrán to his grandfather Fergus Mór, who was seen as the ultimate founder of the royal house as late as the 16th and 17th centuries, long after the Gaelic origins of the kingdom.

Unlike the Cenél Loairn, the Senchus Fer n-Alban does not list any kindreds within the Cenél nGabráin. However, probable descendants of Gabrán, such as Dúnchad mac Conaing and his many kinsmen, would appear to have disputed the succession with the descendants of Eochaid Buide grandson of Gabrán, so that this absence of explicit segments in the kindred may be misleading. A genealogy of David I of Scotland in the Book of Ballymote notes the following divisions:

The domain of the Cenél nGabráin appears to have been centred in Kintyre and Knapdale and may have included Arran, Jura and Gigha. The title king of Kintyre is used of a number of presumed kings of the Cenél nGabráin. Two probable royal sites are known, Dunadd, which lies at the northern edge of their presumed lands, and Aberte (or Dún Aberte), which is very likely the later Dunaverty on the headland beside Southend, Kintyre.

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