William Ros, 1st Baron Ros
William Ros or Roos, 1st Baron 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.
William Ros or Roos, 1st Baron 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.