King's Bishop was an American Thoroughbred

Thoroughbred

The Thoroughbred is a horse breed best known for its use in horse racing. Although the word thoroughbred is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed...

 racehorse

Horse racing

Horse racing is an equestrian sport that has a long history. Archaeological records indicate that horse racing occurred in ancient Babylon, Syria, and Egypt. Both chariot and mounted horse racing were events in the ancient Greek Olympics by 648 BC...

. Bred in Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

 by Warner L. Jones, Jr., he was sired by U.S. Racing Hall of Fame

National Museum of Racing and Hall of Fame

The National Museum of Racing and Hall of Fame was founded in 1950 in Saratoga Springs, New York, to honor the achievements of American thoroughbred race horses, jockeys, and trainers...

 inductee Round Table

Round Table (horse)

Round Table was an American Thoroughbred Hall of Fame racehorse. He is considered the greatest turf horse in American racing history. He was foaled at Claiborne Farm in Kentucky, on the night of April 6, 1954...

. He was out of the mare Spearfish, a descendant of the very important sire Nearco

Nearco

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 not only unbeaten, winning 14 races at distances from 5 furlongs to 1 mile 7 furlongs ,...

.

King's Bishop was owned by Craig F. Cullinan, Jr., founding president of the Houston Astros

Houston Astros

The Houston Astros are a Major League Baseball team located in Houston, Texas. They are a member of the National League Central division. The Astros are expected to join the American League West division in 2013. Since , they have played their home games at Minute Maid Park, known as Enron Field...

 Major League Baseball

Major League Baseball

Major League Baseball is the highest level of professional baseball in the United States and Canada, consisting of teams that play in the National League and the American League...

 club, who purchased him as a yearling at the Keeneland Sales

Keeneland Sales

The Keeneland Sales is an American Thoroughbred auction house in Lexington, Kentucky founded in 1935 as a nonprofit racing/auction entity on 147 acres of farmland west of Lexington, which had been owned by Jack O. Keene...

 for $72,000. Cullinan raced him through 1972, then sold him to Allaire du Pont

Allaire du Pont

Allaire du Pont was an American sportswoman and a member of the prominent French-American Du Pont family of chemical manufacturers who is most remembered as the owner of the Thoroughbred horse racing Hall of Fame champion, Kelso....

, who raced him in 1973 under her Bohemia Stable banner. King's Bishop won several important Graded stakes race

Graded stakes race

A graded stakes race is a term applied since 1973 by the American Graded Stakes Committee of the Thoroughbred Owners and Breeders Association to thoroughbred horse races in the United States and Canada to describe races that derive their name from the stake, or entry fee, owners must pay...

s and retired with a record of eleven wins in twenty-eight starts.