Equation (牝 1839 鹿毛 Emilius)
 |-- Jeremy Diddler Mare (牝 1846 鹿毛 Jeremy Diddler)
 |   `-- Rogerthorpe (牡 1853 鹿毛 The Hero)
 |            1着 - '56グッドウッドC
 |-- Equal (牝 1849 鹿毛 The Cure)
 |   |-- Even (牝 1857 鹿毛 Stockwell)
 |   |   `-- Augusta (牝 1870 鹿毛 Walmer)
 |   `-- Sunny South (牝 1858 栗毛 Birdcatcher)
 |       |-- Harry o'Fallon (牡 1869 栗毛 Australian)
 |       `-- Ozark (牡 1872 黒鹿毛 Pat Malloy)
 |-- Exact (牝 1850 栗毛 Birdcatcher)
 |   |-- Qed (牝 1859 鹿毛 Kingston)
 |   |   |-- Petroleuse (牝 1867 鹿毛 High Treason)
 |   |   `-- Q. E. D. (牝 1870 Blair Athol)
 |   `-- Napoleon III (牡 1871 鹿毛 King John)
 |            1着 - '73シャンペンS
 |-- The Flying Pieman (牡 1854 鹿毛 The Flying Dutchman)
 |-- Diophantus (牡 1858 鹿毛 Orlando)
 |        1着 - '60モールコームS、'61英2000ギニー
 `-- Archimedes (牡 1862 栗毛 Newminster)