In 673 Archbishop Theodore divided the East Anglian diocese into two, Elmham being the seat of the northern, Dunwich that of the southern bishop. A long blank follows in the history of this kingdom, until in 792 we find Offa of Mercia slaying iEthelberht, king of East Anglia, who is said to have been his son-in-law.
749); Hun Beonna and Alberht; iEthelberht (792); Edmund (870).
To the first division belong the laws of the Kentish kings, IEthelberht, Hlothhere and Eadric, Withraed; those of Ine of Wessex, of Alfred, Edward the Elder, lEthelstan,l Edmund, Edgar, 2Ethelred and Canute; the treaty between Alfred and Guthrum and the so-called treaty between Edward and Guthrum.
In 604 we find Essex in close dependence upon Kent, being ruled by Saberht, sister's son of iEthelberht, under whom the East Saxons received Christianity.
655) But it is clear from the laws of iEthelberht that a regular silver coinage was in use at least half a century before this time, and it is not unlikely that many unidentified coins may go back to the 6th century.
A similar division took place on iEthelwulf's death between his two sons iEthelbald and "Ethelberht, but on the death of the former in 858 Ã†thelberht united the whole in his own hands, his younger brothers 'Ethelred and Alfred renouncing their claims. iEthelberht was succeeded in 865 by 'Ethelred, and the latter by Alfred in 871.