The Saga of Eirspennill’s Hakon Hakon’s son records that 'the kings of the Hebrides were Dugald Screech and his brother Duncan, the father of John who was king afterwards…the sons of Dungal, Somerled’s son'. The Liber Vitæ of Durham names 'Dunegal filius Sumerledi, et filii sui, Olaf et Dunechal et Raynald et Adam de Stanford. The Obituario of Durham records that 'Dusgal filius Sumerledi et Stephanus capellanus suus et Adam de Stanford' donated two gold rings to St Cuthbert in 1175. The Chronicon Manniæ et Insularum names “Dulgallum, Reginaldum, Engus et Olavum” as the four sons of “Sumerledo regulo Herergaildel” and his wife the daughter of Olav King of Man. DUGALD, son of SOMERLED Lord of Argyll & his wife - of Man (-after 1175).
