Lady Highthorn (牝 1865 栗毛 Stockwell)
 |-- Miss Pool (牝 1875 栗毛 Parmesan)
 |   `-- Whirlpool (牝 1881 鹿毛 See Saw)
 |       |-- Burnaby (牡 1887 鹿毛 Hagioscope)
 |       `-- Vortex (牝 1898 鹿毛 St. Angelo)
 |-- Staff of Life (牝 1878 黒鹿毛 Brown Bread)
 |   `-- Bran Bread (牝 1883 栗毛 See Saw)
 |       |-- Gluten (牡 1893 Thurio)
 |       `-- Whole-Meal (牝 1894 栗毛 Grey Friars)
 `-- Assay (牝 1880 栗毛 Sterling)
     |-- Siffleuse (牝 1890 栗毛 Saraband) 海外2勝
     |   |    1着 - ヨークシャーオークス、英1000ギニー
     |   `-- Royal Summons (牝 1898 鹿毛 Royal Hampton)
     |-- Golden Coin (牝 1891 栗毛 Saraband)
     |   `-- Half-a-Sovereign (牝 1901 鹿毛 Knight of Malta)
     `-- Cup of Assay (牝 1896 Royal Hampton)
         |-- The Test (牝 1908 鹿毛 John o'Gaunt)
         `-- Cup Tie (牝 1911 鹿毛 Radium)