Tags: Race Horse.
Prince John (1953–1979) was an American Thoroughbred racehorse called one of the greatest broodmare sires of all time by Bloodhorse magazine. Bred in Kentucky he was sired by Princequillo a two-time leading sire in North America and a nine-time leading broodmare sire. He was out of the mare Not Afraid a daughter of 1943 U.S. Triple Crown winner and Hall of Fame inductee Count Fleet.