Ventura (牝 1911 鹿毛 St. Amant)
 `-- Venturesome (牝 1916 鹿毛 Sir Martin)
     |-- Risky (牝 1924 鹿毛 Diadumenos)
     |   |-- Risque (牝 1928 鹿毛 Stimulus)
     |   |-- Risk (牝 1929 鹿毛 Sir Gallahad)
     |   |-- No Risk (牝 1936 鹿毛 Stimulus)
     |   `-- Ramillies (牡 1939 鹿毛 Blenheim)
     `-- My Risk (牝 1929 栗毛 Campfire)
         |-- Fairisk (牝 1933 栗毛 Stimulus)
         |-- Donita M. (牝 1936 栗毛 Stimulus)
         |-- Little Sister (牝 1943 栗毛 Stimulus)
         `-- Risk Me (牝 1949 栗毛 Some Chance)