TheChronicle of the Kings of Alba says of Áed: "Edus [Áed] held the same [i.e., the kingdom] for one year. The shortness of his reign has bequeathed nothing memorable to history. He was slain in the civitas of Nrurim." Nrurim is unidentified.
TheAnnals of Ulster says that, in 878, "Áed mac Cináeda, king of the Picts, was killed by his associates."[1] Tradition, reported byGeorge Chalmers in hisCaledonia (1807), and by theNew Statistical Account (1834–1845), has it that the early-historic mound of the Cunninghillock byInverurie is the burial place of Áed. This is based on reading Nrurim asInruriu.
A longer account is interpolated inAndrew of Wyntoun'sOrygynale Cronykil of Scotland. This says that Áed reigned for one year and was killed by his successorGiric inStrathallan and other king lists have the same report.
129. Another king will take [sovereignty]; small is the profit that he does not divide. Alas for Scotland thenceforward. His name will be the Furious. 130. He will be but a short time over Scotland. The will be no [word uncertain] unplundered. Alas for Scotland, through the youth; alas for their books, alas for their bequests. 131. He will be nine years in the kingdom. I shall tell you – it will be a tale of truth – he dies without bell, with communion, at evening, in a fatal pass.[2]
Anderson, Alan Orr;Early Sources of Scottish History A.D. 500–1286, volume 1. Reprinted with corrections, Paul Watkins, Stamford, 1990.ISBN1-871615-03-8