Eodem anno (A. H. 455) obiit princeps Togrulbecus .... rex fuit clemens, prudens, et peritus regnandi, cujus terror corda mortalium invaserat, ita ut obedirent ei reges atque ad ipsum scriberent. Elma cin, Hist. Saracen. p. 342, vers. Erpenii.
Extra notes by the Rev. H. H. Milman 1782 (Written), 1845 (Revised): — He died, being 75 years old. He was the first great victim of his enemy, Hassan Sabek, founder of the Assassins. Von Hammer, Geschichte der Assassinen, p. 95.