Speculator Mare (牝 1813 栗毛 Speculator)
 |-- Mary Bedford (牝 1816 鹿毛 Duke of Bedford)
 |   |-- Rosemary (牝 1823 栗毛 Tiger)
 |   |   `-- Cherry Elliot (牝 1829 鹿毛 Sumpter)
 |   |-- Peggy Stewart (牝 1824 鹿毛 Blackburn's Whip)
 |   |   |-- Greasy Heel (牝 Richard Singleton)
 |   |   |-- Trustee Mare (牝 1843 栗毛 Trustee)
 |   |   `-- Little Peggy (牝 1847 栗毛 Cripple)
 |   `-- Elborak (牝 1829 黒鹿毛 Sumpter)
 |       `-- Fanny Elssler (牝 1844 栗毛 Cripple)
 |-- Buford's Alexander (牡 1823 鹿毛 Tiger)
 `-- Brownlock (牝 1826 黒鹿毛 Tiger)
     `-- Maria Downing (牝 1839 栗毛 American Eclipse)
         |-- Owen Dale (牡 1853 鹿毛 Belmont)
         |-- Miami (牝 1858 鹿毛 Belmont)
         `-- Don Victor (牡 1862 Belmont)