Baron FitzWalter is an ancient title in the Peerage of England. It was created on 24 June 1295 for Robert FitzWalter. The title was created by writ, which means that it can descend through both male and female lines. His great-grandson, the fourth baron, was an Admiral of the Fleet. The fourth baron's grandson, the sixth baron, died from dysentery at the siege of Harfleur. He was succeeded by his brother, the seventh baron, who was the last known male line descendant of Rollo of Normandy, was succeeded by his daughter and only child, Elizabeth. She was the wife of John Radcliffe. Their son, the ninth baron, was attainted for treason in 1495 with his title forfeited. However, his son Robert Radcliffe obtained a reversal of the attainder by Act of Parliament in 1509 and later served as Lord