Bercthun of Beverley (died 15 May 733) also known as Bertin, Britwin,[1] Berhthu and Beorhthun, was an eighth century Anglo-Saxon saint.Latter in life he became the Abbot of Beverley.A bust of Bercthun is thought to be kept in the British Library.Be died on the 15 May 733, on which day his feast was locally kept.[4] A feast day was celebrated locally in his honour on the date of his death.