 Sigeberht of East Anglia was already Christian when he took the throne around 630.By 633, Sigeberht of East Anglia had established the first East Anglian bishopric at Dommoc and appointed a Burgundian Bishop named Felix.When Fursey arrived with his brothers Foillan and Ultan, as well as other brethren, bearing the relics of Saints Meldan and Beoan, he had been welcomed by the king, who gave him land to establish an abbey at "Cnobheresburg", where there was an abandoned Roman fort, traditionally identified with Burgh Castle in Norfolk.