Family 56 is a short-lived family which dies out in the 1780s

Grandam of Shark (1771), which between 1774 and 1779 won 19 of 29 starts in England earning over 16,000 guineas, the largest amount ever won until that time; imported into America, he is an exceptionally successful sire, many of his mares breeding on; "Shark did as much to enhance the value of the bloodstock of the United States as any horse ever imported" - American Turf Register [1830]