 He was subsequently canonised and became the focus of cults in East Anglia and at Hereford , where the shrine of the saintly king once existed . In the absence of historical facts , mediaeval chroniclers provided their own details for Æthelberht 's ancestry , life as king and death at the hands of Offa . His feast day is 20 May . Several Norfolk , Suffolk and West Country parish churches are dedicated to the saint . 
