Astwith (牝 1876 鹿毛 Wenlock)
 |-- Concussion (牝 1885 鹿毛 Reverberation)
 |   |-- Dabchick (牝 1894 鹿毛 Gallinule)
 |   |-- Sirenia (牝 1895 青毛 Gallinule)
 |   |   |-- Scylla (牝 1903 鹿毛 Eager)
 |   |   |-- Siberia (牝 1905 黒鹿毛 St. Simon)
 |   |   |-- Electra (牝 1906 鹿毛 Eager)
 |   |   |-- Moyglare (牝 1907 鹿毛 Flying Fox)
 |   |   |-- Cellini  [英] (牡 1908 栗毛 Cyllene)
 |   |   |-- Sourabaya (牝 1909 黒鹿毛 Spearmint)
 |   |   |-- St. Cyr (牡 1911 栗毛 St. Frusquin)
 |   |   `-- Tournament (牡 1912 鹿毛 Spearmint)
 |   |-- Air Cushion (牝 1898 栗毛 Windgall)
 |   |   `-- Lesterlin Mare (牝 1902 栗毛 Lesterlin)
 |   |-- Hammerkop (牝 1900 鹿毛 Gallinule)
 |   |   `-- Spion Kop (牡 1917 鹿毛 Spearmint)
 |   |-- Llangibby (牡 1902 栗毛 Wildfowler)
 |   `-- Ishallah (牝 1903 鹿毛 Gallinule)
 |       |-- Fortuna (牝 1910 鹿毛 Spearmint)
 |       `-- Gradely (牡 1913 鹿毛 Desmond)
 `-- Goldau (牝 1894 青毛 Gold)
     `-- Prized (牝 1902 黒鹿毛 St. Simonmimi)
         |-- Honour (牝 1909 黒鹿毛 General Symons)
         `-- Mount William (牡 1911 黒鹿毛 General Symons)