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.
Abbot of Rievaulx The Abbot of Rievaulx was the head of the Cistercian monastic community of Rievaulx Abbey, founded in 1131 by Walter l'Espec in North Yorkshire, northern England. The Abbots of Rievaulx were amongst the most powerful Christian leaders in northern England until the dissolution of the monastery by Henry VIII of England in 1538.