What is "bercthun"

Bercthun of Beverley also known as Bertin and Britwin was an eighth century Anglo Saxon Saint.

He was a ( Benedictine) monk of Beverley, a disciple of John of Beverley and Bede's informant about much of Bedes history regarding Beverley. Latter in life he became the Abbot of Beverley. He was also known from the secgan hagiographies.

A Bust of Bercthun is though to be kept in the British Library.

In 733 AD he died on the 15 May, on which day his feast was locally kept.Bercthun in Farmer, The [[Oxford Dictionary of Saints]] ([[Oxford University press]], 2011).