Agnes (牝 1805 鹿毛 Shuttle)
 |-- Williamson's Ditto Mare (牝 1812 黒鹿毛 Williamson's Ditto)
 |   |-- Emma (牝 1816 栗毛 Octavian)
 |   |   `-- Erato (牝 1839 栗毛 Valparaiso)
 |   `-- Ruby (牝 1825 栗毛 Rubens)
 |       |-- Coronation (牡 1838 鹿毛 Sir Hercules)
 |       |        1着 - '41英ダービー
 |       |-- Coral (牝 1839 鹿毛 Sir Hercules)
 |       |-- Coningsby (牡 1844 鹿毛 Venison)
 |       `-- Lord Albemarle (牡 1850 鹿毛 The Emperor)
 |-- Williamson Ditto Mare (牝 1812 黒鹿毛 Williamson's Ditto)
 |   |-- Fungus (牡 1830 鹿毛 Truffle)
 |   `-- Revenge (牡 1830 鹿毛 Fungus)
 `-- Topsy Turvy Mare (牝 1818 鹿毛 Topsy Turvy)
     `-- Pet (牝 1826 鹿毛 Gainsborough)
         |-- Passion (牝 1839 鹿毛 Elis)
         |-- Alice Lowe (牝 1841 栗毛 Defence)
         `-- Touchstone Mare (牝 1845 鹿毛 Touchstone)