Saint Botolph began to build his monastery at Iken, on a tidal island site in the River Alde, Suffolk, in about 653, the year that Anna of East Anglia was killed at the Battle of Bulcamp.
Botwulf comezou a construír o seu mosteiro en Iken, nunha illa no río Alde, Suffolk, en aproximadamente 653, o ano que Anna de Anglia Oriental morreu na batalla de Bulcamp.