Note 571 — Chapter VIII · THE KINGDOM OF SCOTIA.
Reading edition
1034 Moelcoluim Rex Scotiæ obiit 7 Kal. Decembri.—Marianus Scotus.
The later chronicles state that he was slain by treachery at Glammis, and Fordun adds, by some of the stock of Constantin and Grym; but this tale is quite inconsistent with the older notices of his death, which clearly imply that he died a natural death.