ECGBERT, or ECGBERHT (d. 766)  , archbishop of York, was made bishop of that see in 734 by Ceolwulf, king of Northumbria, succeeding Wilfrid II. on the latter's resignation . The pall was sent him in 735 and he became the first northern archbishop after Paulinus . He was the brother of Eadberht, who ruled Northumbria 737-758 . He was the recipient of the famous letter of Bede, dealing with the evils arising from spurious monasteries . Ecgberht himself wrote a Dialogus Ecclesiasticae Institutionis, a Penitentiale and a Pontificale . He was a correspondent of St Boniface, who asks him to support his censure of AEthelbald of Mercia . See Bede, Continuatio, sub. ann . 732, 735, 766, and Epistola ad Ecgberctum (Plummer . Oxford, 1896) : Chronicle, sub ann . 734, 735, 7t38, 766 (Earle and Plummer, Oxford, 1899); Haddan and Stubbs, Councils and Ecclesiastical Documents (Oxford, 1869-1878), iii . 403-431; Proceedings of Surtees Society (Durham, 1853) .