Rantzau (1946–1971) was a French-bred racehorse that went on to be an influential sire of dressage, show jumping, and eventing horses. Rantzau stood 16.1 hands (65 inches, 165 cm).
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Background and breeding
Henri Tambareau purchased the Thoroughbred mare, Rancune, in 1943 for use as a broodmare. She had won several times on the racetrack, and came from good lines, including that of the famous jumping sire Bay Ronald.
Rantzau's sire, Foxlight, was one of the best stallions of the French national stud Le Haras du Pin, and also had the blood of Bay Ronald in his pedigree. After a notable career at the track, Foxlight retired to stud duty where he was quite successful, producing both flat racers and steeplechasers. His racing blood included that of Foxlaw (winner of the Ascot Gold Cup and Newmarket Jockey Club Stakes) and Foxhunter (winner of the Ascot Gold Cup).
Career on the track
As a three-year-old, Rantzau raced nine races between 2,000 and 3,000 meters, winning two and placing in five. He was then purchased by Marcel Boussac.



