Lock and Key (牝 1893 鹿毛 Janissary)
 |-- Golden Key (牝 1901 鹿毛 Ladas)
 |   `-- Clef d'Or (牝 1910 鹿毛 Flying Fox)
 |       |-- L'Enigme (牝 1916 鹿毛 Verwood)
 |       `-- Corniche d'Or (牝 1925 鹿毛 Ksar)
 |-- Keystone (牝 1903 鹿毛 Persimmon)
 |   |-- Hemlock (牝 1913 鹿毛 Spearmint)
 |   |   |-- Conine (牝 1918 鹿毛 Lemberg)
 |   |   |-- Cicuta (牝 1919 鹿毛 Nassovian)
 |   |   `-- Posterity (牡 1926 鹿毛 Son-in-Law)
 |   |-- Trestle (牝 1915 黒鹿毛 Swynford)
 |   |   `-- Pyramid (牝 1927 黒鹿毛 Papyrus)
 |   |-- Keysoe (牝 1916 黒鹿毛 Swynford)
 |   |   |-- Caissot (牡 1923 栗毛 Gay Crusader)
 |   |   `-- Flittemere (牝 1926 栗毛 Buchan)
 |   |-- Archaic (牡 1917 栗毛 Polymelus)
 |   |-- Phalange (牝 1921 鹿毛 Phalaris)
 |   |   `-- High Force (牝 1929 栗毛 Gainsborough)
 |   `-- Bythorne (牝 1924 黒鹿毛 Swynford)
 `-- Drawbridge (牝 1910 鹿毛 Bridge of Canny)
     `-- Hostility (牝 1922 鹿毛 Swynford)
         `-- Warrior (牡 1939 芦毛 Portlaw)