Wikipedia
Swynford
Swynford (January 1907 – 18 May 1928) was a British Thoroughbred racehorse. Bred at the 16th Lord Derby's stud in Lincolnshire, England he was sired by John O'Gaunt, a son of Isinglass, winner of the British Triple Crown in 1893. His dam was Lord Derby's foundation mare and 1896 Epsom Oaks winner Canterbury Pilgrim who also produced Chaucer, the 1927 and 1933 Leading broodmare sire in Great Britain & Ireland.