aka Ecgberht, Ecgbryht. Banished from England of Offa of Mercia and Beorhtric of Wessex, the later conceiving his throne to be endangered by Egbert's ancestral claims. Lived at the court of Charlemagne till 802. Accepted as king of the West-Saxons, 802. Routed a force of Cornishmen about 825. Regained the kingdom of Kent. Received final submission of Mercia, 828. Overlord of Northumbria, and eigth Bretwalda, 829. Defeated by Scandanavian pirates at Charmouth, 835. Probably brought the shire military organisation to its completion in Wessex. Agreed to a perpetual alliance with the archbishop of Canterbury at Kingston, 838. Defeated northmen and Cornishmen at Hengestdune, 837 (The concise dictionary of national biography. Part 1 : from the beginnings till 1900. London : Oxford University Press, 1969, pg. 391).