died 1005, Monzievaird, Scot.

king of the Scots (from 997), son of Dub and grandson of Malcolm I. He succeeded to the throne perhaps after killing his cousin Constantine III (reigned 995–997); he was himself killed at Monzievaird by Malcolm (son of Kenneth II), who became Malcolm II. Gruoch, wife of the future King Macbeth, was apparently a granddaughter of Kenneth III.