BETA ZEN
The Tetrarch
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The Tetrarch (1911–1935) was an Irish-bred, British-trained Thoroughbred racehorse. He was undefeated in a racing career of seven starts and was voted the best British-trained two-year-old of the 20th century according to the National Horseracing Museum. He did not race after 1913 and was retired to stud where he became an influential sire.