Nearco was an Italian-bred Thoroughbred racehorse described by Thoroughbred Heritage as "one of the greatest racehorses of the Twentieth Century" and "one of the most important sires of the century." He was unbeaten, winning 14 races at distances from 1000m to 3000m, including the Derby Italiano and Grand Prix de Paris. He was then sold for a record amount to Martin H. Benson and stood stud in England, where he became the patriarch of several of the most dominant sire lines in Thoroughbred history.
Spearmint (1903–1924) was a British Thoroughbred racehorse and a sire. In a brief racing career which lasted from 1905 until June 1906, he ran five times and won three races. After showing moderate form in 1905, he won The Derby on his seasonal debut at age three and then became the first British horse for twenty years to win France's most important race, the Grand Prix de Paris. He became a successful breeding stallion, siring major winners in Europe and the United States. His daughters produced the winners of eight classic races. Spearmint was placed on the winning sires and brood-mare sires lists on several occasions.
St. Simon was an undefeated British Thoroughbred racehorse and one of the most successful sires in the history of the Thoroughbred. In May 1886 The Sporting Times' carried out a poll of one hundred experts to create a ranking of the best British racehorses of the 19th century. St. Simon was ranked fourth, having been placed in the top ten by 53 of the contributors.
Iron Liege was an American Thoroughbred racehorse best known for winning the 1957 Kentucky Derby.
La Troienne (1926–1954) was one of the most famous and influential Thoroughbred broodmares in twentieth century America. She produced 10 winners including two Hall of Fame inductees while at stud, while her daughters in turn produced many notable offspring. In 2000, pedigree expert Janeen Oliver designated her as the taproot of family 1-x, a designation that was implemented by the Pedigree Online Thoroughbred Database in 2003. Recent matrilineal descendants include 2003 Horse of the Year Mineshaft, Japanese Triple Crown winner Contrail (2020), Kentucky Derby winners Smarty Jones (2004) and Super Saver (2010), Belmont Stakes winner Essential Quality (2021), and Sussex Stakes winner Alcohol Free (2021).
Round Table was an American Thoroughbred Hall of Fame racehorse. He is considered the greatest turf horse in American racing history.
Sir Gallahad (1920–1949) was a French Thoroughbred racehorse and an important sire in the United States.
Teddy (1913–1936) was a French racehorse and an influential sire, especially for lines in Italy, France, and the United States. He is considered one of the most influential sires in the 20th century.
Bull Lea was an American Thoroughbred racehorse who is best known as the foundation sire responsible for making Calumet Farm one of the most successful racing stables in American history. In their article on Calumet Farm, the International Museum of the Horse in Lexington, Kentucky wrote that Bull Lea was "one of the greatest sires in Thoroughbred breeding history."
Fappiano was an American Thoroughbred racehorse whose most important win was the 1981 Metropolitan Handicap. When retired to stud, he became a major sire whose offspring included Kentucky Derby winner Unbridled. He was named for Joseph C. Nichols (1905–1984), a long-time sportswriter for The New York Times, who was born Giuseppe Carmine Fappiano.
Bois Roussel (1935–1955) was a French-bred Thoroughbred champion racehorse and a leading broodmare sire. He won the 1938 Epsom Derby on his second racecourse appearance.
Ambiorix (1946–1975) was a French Champion Two-Year-Old Thoroughbred racehorse who became a leading sire.
Plucky Liege (1912–1937) was a British Thoroughbred racemare who produced eleven winners, including an Epsom Derby winner at the age of twenty-three and three British Classic race winners. The performances of these horses led to her becoming one of the most important broodmares of the 20th century.
Heliopolis (1936–1959) was a British thoroughbred racehorse and Champion sire.
Cobweb (1821–1848) was an undefeated British Thoroughbred racehorse and who won two British Classic Races as a three-year-old and went on to become a highly successful broodmare. Cobweb's racing career consisted of three competitive races in the early part of 1824. After winning on her debut she claimed a second prize when her opponents were withdrawn by their owners. She then won the 1000 Guineas at Newmarket Racecourse and the Oaks Stakes at Epsom Downs Racecourse before being retired to stud.
Baldric was an American-bred, French-trained Thoroughbred racehorse and sire, best known for winning the classic 2000 Guineas in 1964. When racing in Britain, the horse was known as Baldric II. Baldric won twice in 1963 but after being beaten on his three-year-old debut he started a 20/1 outsider for the 2000 Guineas. He won the race, the most valuable ever run in Britain, and went on to win the Prix Perth and the Champion Stakes in Autumn. After two unsuccessful runs in 1965, Baldric was retired to stud where he had success as a sire of winners in both France and Japan.
Eclair au Chocolat was a French Thoroughbred racehorse and sire. As a three-year-old he won the Grand Prix de la Ville de Vichy and then established himself as one of the best of a strong generation of European horses with wins in the Prix Royal Oak and the Prix de l'Arc de Triomphe. After retiring to stud in 1939 he was taken to Germany during the Occupation of France. His final fate is unknown.
Rose of England was a British Thoroughbred racehorse and broodmare. She was unraced as a two-year-old and finished fifth in the 1000 Guineas on her debut before recording her first and only win in the Epsom Oaks. She failed to win in four subsequent races and was retired from racing at the end of the year. She had considerable success as a dam of winners.
Marguerite was an American Thoroughbred racemare owned by Belair Stud who had to be retired after only one start but who established her place in racing history as the dam of four significant runners.
South Ocean (1967–1989) was a Canadian Thoroughbred Hall of Fame mare raced by Charles Taylor. She was bred by Charles's father E. P. Taylor, Canada's preeminent name in Thoroughbred racing and in world breeding history.
