Grey Momus was a British Thoroughbred racehorse and sire. In a career that lasted from August 1837 to 1839 he competed twenty-one times and won fourteen races. Grey Momus first attracted attention as

Diomed was an English Thoroughbred race horse who won the inaugural running of the Epsom Derby in 1780. Sold and imported to Virginia, he was subsequently a successful sire in the United States after