La Fleche (牝 1889 黒鹿毛 St. Simon)
 |-- Sagitta (牝 1898 鹿毛 Isinglass)
 |   |-- Bowman (牡 1909 栗毛 Chaucer)
 |   `-- Arrowsmith (牡 1915 鹿毛 Chaucer)
 |-- Baroness La Fleche (牝 1900 黒鹿毛 Ladas)
 |   |-- Forest Lassie (牝 1908 鹿毛 Isinglass)
 |   |   |-- Lass o'the Glen (牝 1914 鹿毛 Cylgad)
 |   |   |-- Forrest Track (牝 1918 鹿毛 Tracery)
 |   |   |-- Werwolf (牡 1919 栗毛 Hurry On)
 |   |   |-- Wood Nymph (牝 1924 黒鹿毛 Phalaris)
 |   |   `-- オーイエー  [英] (牝 1928 Ethnarch)
 |   |-- Baronin (牝 1910 鹿毛 Isinglass)
 |   |   |-- Lineage (牝 1917 鹿毛 Tracery)
 |   |   `-- Constant Lady (牝 1918 鹿毛 Stedfast)
 |   |-- Spearhead (牡 1913 黒鹿毛 Spearmint)
 |   |-- Lord Archer (牡 1914 鹿毛 Spearmint)
 |   |-- Cinna (牝 1917 鹿毛 Polymelus)
 |   |   |-- Gay Shield (牡 1922 鹿毛 Gay Crusader)
 |   |   |-- Buckler (牡 1923 黒鹿毛 Buchan)
 |   |   |-- Life Belt (牝 1925 栗毛 Hurry On)
 |   |   |-- Belle Mere (牝 1926 黒鹿毛 Son-in-Law)
 |   |   |-- Beau Pere (牡 1927 黒鹿毛 Son-in-Law)
 |   |   |-- Buchna (牝 1929 鹿毛 Buchan)
 |   |   |-- Sunset (牝 1930 栗毛 Solario)
 |   |   |-- Mr. Standfast (牡 1931 鹿毛 Buchan)
 |   |   |-- Cineraria (牝 1932 鹿毛 Diomedes)
 |   |   |-- Dink (牡 1934 黒鹿毛 Nothing Venture)
 |   |   |-- Veals or Dink (牡 1934 Nothing Venture)
 |   |   |-- Celebrity (牝 1938 栗毛 Nothing Venture)
 |   |   `-- Balloch (牡 1939 鹿毛 Obliterate)
 |   |-- Sundart (牝 1918 黒鹿毛 Sunstar)
 |   |   `-- Genista (牝 1923 鹿毛 Gay Crusader)
 |   `-- Sunbow (牝 1919 鹿毛 Sunstar)
 |       `-- Bow Window (牝 1927 鹿毛 Grand Parade)
 |-- John o'Gaunt (牡 1901 鹿毛 Isinglass)
 `-- Arc de Triomphe (牡 1906 黒鹿毛 Gallinule)