Page:Chronicles of the Picts, chronicles of the Scots, and other early memorials of Scottish history.djvu/102

 xciv PEEFACE. the " Historia Britonum," RyderclieD, who fixed his seat at the strong fortification termed by Bede Alclyde, and known to the Gaelic population by the name of Dunbreatan, or the fort of the Bri- tons, afterwards corrupted into Dumbarton. We are now on historic ground, as this king is men- tioned by Adomnan in his " Life of St. Columba," who entitles one of his chapters, " De rege Roderco filio " Tothail, qui in Petra Cloithe regnavit, Beati viri " prophetia ;" and a succession of kings of the same race followed him till the reign of Constantine, king of Scots, in the beginning of the tenth century, when, on the death of Donald, king of the Britons, the brother of the Scottish king was elected his suc- cessor, and, in the year 946, the kingdom of Strath Clyde, or Cumbria, was invaded and conquered by Edmund, king of England, and given by him to Malcolm, the Scottish king. A genealogy of these British kings of Strath Clyde is fortunately pre- served in the additions to the " Historia Britonum " (No. II. D.), and serves to connect the scattered notices of them which occur in the chronicles. The following table w^iU show their l:)earing upon each other : —