Athelstan, or AEthelstan, born 896, succeeded his father Edward the Elder in the Saxon monarchy in 925. He first adopted the title of "King of the English." By his marriage with the sister of Cytric he established a claim to Bernicia, which he annexed. Constantine of Scotland supported a grandson of Cytric. and whilst Athelstan was engaged in upholding Louis d'Outremer, an insurrection broke out in the north with a view to restoring Danish power. This scheme was crushed by the great victory of Brunanburh, near Beverley, in 937. In 940 Athelstan died. He was a wise and temperate monarch, who introduced several important judicial and social reforms.