English Benedictine Reform acceptance of Benedictinism, and that the movement's greatest benefactor, King Edgar, had played a major role in the unification by his demands for adherence to the Benedictine Rule. Æthelwold probably tutored Edgar as a boy, and was very close to him; it is likely that Æthelwold was influential in persuading the king to carry through his reforms and support Benedictine monasticism. Monks became dominant on the bishops' bench during his reign. Æthelwold was close to Queen Ælfthryth and supported the claim of her son Æthelred (978–1016) to be king against his elder half-brother, Edward (975–978). Dunstan supported Edward, who succeeded
Edward IV of England to the throne in 1470 in an event known as the Readeption of Henry VI, and Edward took refuge in Flanders, part of Burgundy, accompanied by his younger brother Richard, Duke of Gloucester (later King Richard III of England). The Duke of Burgundy had been Edward's brother-in-law since the marriage of Edward's sister Margaret of York to Charles, Duke of Burgundy, on 3 July 1468. The French declared war on Burgundy, despite the fact that Charles was initially unwilling to help Edward. This prompted Charles to give his aid to Edward, and from Burgundy he raised an army to win