Il règne 12 ans selon la "Chronique Picte" sa mort est mentionnée dans les Annales d'Ulster:
653 "Mort de Ferith mac Totholan (?) et de Talorg mac Foith roi des Pictes".
Notes et références
↑(en) J.M.P. Calise Pictish Sourcebook, Documents of Medieval Legend and Dark Age History Greenwood Press (Londres 2002) (ISBN0313322953) p. 254
Sources
(en) J.P.M. Calise, Pictish Sourcebook, Documents of Medieval Legend and Dark Age History, Londres, Greenwood Press, (ISBN0313322953), p. 254 Talorc f. Uuid (Talorc IV, Talorg son of Foth) Pictish king 641-653
(en) William Arthur Cumming, The Age of the Picts, Stroud, Sutton Publishing, (ISBN0750916087).
(en) W.F. Skene Chronicles Of The Picts,Chronicles Of The Scots, And Other Early Memorials Of Scottish History. H.M General Register House Edinburgh (1867) Reprint par Kessinger Publishings's (2007) (ISBN1432551051).
(en) Alfred P. Smyth, Warlords and Holy Men Scotland ad 80~1000, Edinburgh, Edinburgh University Press, , 279 p. (ISBN0748601007), p. 51,64.