Who was perhaps not the only king of the West Saxons at the time, whos viceroy is said to have constructed Chisbury Camp, and to have founded Abingdon Abbey?
Cissa (West Saxon) Cissa was reported as the viceroy of king Centwine of Wessex (reigned c.676-686). Cissa is sometimes said to have himself been a king of Wessex, but does not feature in the king lists or genealogies. He is said to have constructed Chisbury Camp, and to have founded Abingdon Abbey.
Eorcenberht of Kent Eorcenberht of Kent (also Ærconberht, Earconberht, or Earconbert) (died 14 July 664) was king of the Anglo-Saxon kingdom of Kent from 640 until his death, succeeding his father Eadbald.