Gas ( 牝 1892 鹿毛 Ayrshire )
 |-- Gascony ( 牡 1899 栗毛 Kendal )
 |-- Valve ( 牝 1900 黒鹿毛 Velasquez )
 |   |-- Verve ( 牝 1909 鹿毛 Velocity )
 |   |   |-- Versatile ( 牝 1918 黒鹿毛 Chaucer )
 |   |   |-- Rhona ( 牝 1920 黒鹿毛 Hurry On )
 |   |   |-- Cradle Song ( 牝 1922 黒鹿毛 Hurry On )
 |   |   |-- Vervelle ( 牝 1923 黒鹿毛 Buchan )
 |   |   `-- Scotch Widow ( 牝 1935 黒鹿毛 St. Andrews )
 |   |-- Sanquhar ( 牡 1910 鹿毛 Santry )
 |   |-- Duke Humphrey ( 牡 1911 鹿毛 John o'Gaunt )
 |   |-- Vaucluse ( 牝 1912 鹿毛 Dark Ronald )
 |   |   |-- Forerunner ( 牡 1918 鹿毛 Chaucer )
 |   |   |-- High Force ( 牡 1919 鹿毛 Tracery )
 |   |   |-- Lake Leman ( 牝 1920 鹿毛 Tracery )
 |   |   `-- Bongrace ( 牝 1923 鹿毛 Spion Kop )
 |   |-- Shrill ( 牝 1913 鹿毛 Llangwm )
 |   |   `-- Father's Voice ( 牡 1921 鹿毛 Absurd )
 |   `-- Valescure ( 牝 1917 鹿毛 Swynford )
 |   |   |-- The Buzzard ( 牡 1926 鹿毛 Spion Kop )
 |   |   |-- Flamenco ( 牡 1931 鹿毛 Flamingo )
 |   |   `-- Agincourt ( 牡 1935 黒鹿毛 Bosworth )
 |-- Cicero ( 牡 1902 栗毛 Cyllene )
 |-- Bezonian ( 牡 1904 鹿毛 Velasquez )
 |-- Sir Toby ( 牡 1905 鹿毛 Sir Visto )
 `-- Rhetoric ( 牝 1906 栗毛 Cyllene )
 |   |-- Politian ( 牡 1911 黒鹿毛 Dark Ronald )
 |   |-- Discourse ( 牝 1915 栗毛 Beppo )
 |   |   `-- Dail ( 牝 1919 鹿毛 Land League )
 |   `-- Peroration ( 牝 1921 栗毛 Clarissimus )
 |   |   |-- Perjury ( 牝 1927 栗毛 Chatterton )
 |   |   |-- Gallant Lady ( 牝 1930 栗毛 Sir Gallahad )
 |   |   |-- Mad Passion ( 牝 1931 栗毛 Mad Hatter )
 |   |   `-- Elocution ( 牝 1938 黒鹿毛 Jacopo )