Who reformed royal administration, such as William de Ros, during his rein as King?
William de Ros, 1st Baron de Ros William de Ros or Roos, 1st Baron de Ros of Helmsley (c. 1255 – 6 or 8 August 1316), was one of the claimants of the crown of Scotland in 1292 during the reign of Edward I.
Edward VI of England Edward VI (12 October 1537 – 6 July 1553) was King of England and Ireland from 28 January 1547 until his death. He was crowned on 20 February at the age of nine. The son of Henry VIII and Jane Seymour, Edward was England's first monarch to be raised as a Protestant. During his reign, the realm was governed by a Regency Council because he never reached his majority. The Council was first led by his uncle Edward Seymour, 1st Duke of Somerset (1547–1549), and then by John Dudley, 1st Earl of Warwick, from 1551 Duke of Northumberland.