Dam of Vibration and Venus (both by Sir Hercules) through each of which the maternal line of this branch of the family continues

Other than her four generation progeny detailed below, top class racehorses which descend from Echo include Omnium (1895 Prix du Jockey Club); St Frusquin (1896 2000 Guineas, Eclipse Stakes), Captain Cuttle (1922 Derby); Count Turf (1951 Kentucky Derby), Snow Bride (1989 Oaks); Lammtarra (1995 Derby, King George VI & Queen Elizabeth Stakes, Prix de l'Arc de Triomphe), Street Sense (2007 Kentucky Derby), Pour Moi (2011 Derby), and innumerable Australasian classic winners

Dam of Sting (1845 Lavant, Molecombe, Clearwell Stakes, 1846 Newmarket St. Leger]; grandam of Aphrodite (1851 1000 Guineas); 4th dam of Insulaire (1878 Prix du Jockey Club); of St. Blaise (1883 Derby); and of Merry Hampton (1887 Derby)