Gadfly ( 牝 1896 鹿毛 Hampton )
 |-- Willia ( 牝 1908 鹿毛 William the Third )
 |   |-- Parth ( 牡 1920 鹿毛 Polymelus )
 |   `-- Williamina ( 牝 1922 鹿毛 Stedfast )
 |   |   `-- Wilhelmina ( 牝 1936 鹿毛 Rustom Pasha )
 |-- Cylgad ( 牡 1909 鹿毛 Cyllene )
 |-- Gylgad ( 牡 1909 鹿毛 Cyllene )
 |-- Flying Bridge ( 牝 1911 鹿毛 Bridge of Canny )
 |   `-- Flying Diadem ( 牝 1923 鹿毛 Diadumenos )
 |   |   |-- Gold Bridge ( 牡 1929 栗毛 Golden Boss )
 |   |   `-- Hexton ( 牡 1939 栗毛 Brumeux )
 |   |            1着 - 仏2000ギニー
 |-- Gadabout ( 牡 1912 鹿毛 St. Denis )
 `-- Flying Squadron ( 牝 1916 鹿毛 Light Brigade )
 |   `-- Blenheim ( 牡 1928 鹿毛 Blandford )