William Ros, 3rd Baron Ros of Helmsley was a military commander under Edward III of England. He was knighted by the king in 1346, having helped raise the siege of Aiguillon. In the same year, he was one of the lords who led the second division in the Battle of Crécy, and afterwards commanded the fourth division of the English army against the Scots, near Neville's Cross, when David Bruce, with many of the Scottish nobles, was taken prisoner.
- Occupation
- politician
- Citizenship
- Kingdom of England
- Born
- May 19, 1329
- Died
- December 3, 1352