Ralph de Greystoke, 3rd Baron Greystoke

Life Greystoke was the son of William de Greystoke, 2nd Baron Greystoke, and Joane, daughter of Lord Fitzhugh, his second wife.

He was summoned to Parliament between 28 November 1375 and 5 October 1417, and, in the 1370s and 1380s, served as a warden of the Scottish Marches. Greystoke was captured and taken to Dunbar Castle, where he was provided with a meal in the great hall, served upon his own dining-ware, which had been seized from his baggage train along with hangings that now decorated the walls of the great hall. Greystoke's ransom was 3,000 marks, While at Dunbar, William took ill with fever and died.

In the 1390s, "disillusioned" with the reign of Richard II, Greystoke backed the return of the exiled Henry of Bolingbroke, son of John of Gaunt and grandson of Edward III.

Personal Greystoke married Katherine, the daughter of his former guardian Roger de Clifford, 5th Baron de Clifford.