Gyrwas

Gyrwas was the name of an Anglo-Saxon tribe of the Fens, in modern-day Cambridgeshire, divided into northern and southern groups and recorded in the Tribal Hidage; related to the name of Jarrow.

They will be descended from the Angles, the Germanic tribe who settled in the East of England in the 5th and 6th centuries.

Hugh Candidus, a twelfth-century chronicler of Peterborough Abbey, describes its foundation in the territory of the Gyrwas, under the name of Medeshamstede.

Æthelthryth founded Ely monastery after the death of her husband Tondberht, who is described in Bede's Ecclesiastical History of the English People as a "prince of the South Gyrwas".

[3] Bede also described Thomas, Bishop of Dunwich, in East Anglia, as having been "from the province of the Gyrwas", and deacon to his predecessor, Felix of Burgundy.