Macbeth, King of Scotland Gille Coemgáin. He subsequently married Gille Coemgáin's widow, Gruoch, although they had no children together. In 1040, Duncan I launched an attack into Moray and was killed in action by Macbeth's troops. Macbeth succeeded him as King of Alba, apparently with little opposition. His 17-year reign was mostly peaceful, although in 1054 he was faced with an English invasion, led by Siward, Earl of Northumbria, on behalf of Edward the Confessor. Macbeth was killed at the Battle of Lumphanan in 1057 by forces loyal to the future Malcolm III. He was buried on Iona, the traditional resting place of Scottish
Confessor Confessor Confessor is a title used within Christianity in several ways. Its oldest use is to indicate a saint who has suffered persecution and torture for the faith but not to the point of death. The term is still used that way in the East. In Latin Christianity it has come to signify any saint, as well as those who have been declared blessed, who cannot be categorized by another title: martyr, apostle, evangelist, or virgin. As Christianity emerged as the dominant religion in Europe, persecutions became rare, and the title was given to saints who lived a holy life