Question: Who reformed royal administration, such as William de Ros, during his rein as King?
Sentence (from "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.
Relevant evidence: Yes