Keystone (horse)
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Keystone was a British Thoroughbred racehorse and broodmare. Having suffered from ill-health as a juvenile she recorded an emphatic win in the Epsom Oaks on her second racecourse appearance. She went
Keystone in 1906.
16th Earl of Derby, Keystone's owner and breeder
George Lambton
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George Lambton was a British thoroughbred racehorse trainer. He was British flat racing Champion Trainer in the 1906, 1911 and 1912 seasons.
Keystone (horse)
…Display and Ballymoss. Keystone was a bay mare bred in England by her owner Frederick Stanley, 16th Earl of Derby. The filly was sent intotraining with George Lambton at Bedford Lodge stables in Newmarket, Suffolk. She was sired by Persimmon, whose wins included the Derby, St Leger, Eclipse Stakes and Ascot Gold Cup…
Vanity Fair caricature of Lambton (1904)
Cicely Horner (later Mrs. George Lambton), John Singer Sargent, c. 1889