Venturesome (牝 1916 鹿毛 Sir Martin)
 |-- Risky (牝 1924 鹿毛 Diadumenos)
 |   |-- Risque (牝 1928 鹿毛 Stimulus)
 |   |   |-- Risque Reigh (牝 1934 栗毛 Reigh Count)
 |   |   |-- Margaret Reigh (牝 1938 栗毛 Reigh Count)
 |   |   `-- Risque Blue (牝 1941 鹿毛 Blue Larkspur)
 |   |-- Risk (牝 1929 鹿毛 Sir Gallahad)
 |   |   |-- Sky Larking (牡 1935 鹿毛 Blue Larkspur)
 |   |   |-- Our Treat (牝 1936 鹿毛 Stimulus)
 |   |   |-- Little Risk (牝 1937 鹿毛 Stimulus)
 |   |   |-- Best Risk (牝 1940 黒鹿毛 Blenheim)
 |   |   |-- Beaugay (牝 1943 鹿毛 Stimulus)
 |   |   |-- Blue Fantasy (牝 1944 鹿毛 Blue Larkspur)
 |   |   `-- Run a Risk (牝 1946 栗毛 Count Fleet)
 |   |-- No Risk (牝 1936 鹿毛 Stimulus)
 |   |   `-- Risky Raid (牝 1940 黒鹿毛 Foray)
 |   `-- Ramillies (牡 1939 鹿毛 Blenheim)
 `-- My Risk (牝 1929 栗毛 Campfire)
     |-- Fairisk (牝 1933 栗毛 Stimulus)
     |   `-- Miss Zibby (牝 1942 栗毛 Omaha)
     |-- Donita M. (牝 1936 栗毛 Stimulus)
     |   |-- Donitas First (牝 1941 Reaping Reward)
     |   `-- Spinstress (牝 1948 栗毛 Whirlaway)
     |-- Little Sister (牝 1943 栗毛 Stimulus)
     |   `-- Juvenile (牝 1947 栗毛 Reading)
     `-- Risk Me (牝 1949 栗毛 Some Chance)
         `-- Chanced (牝 1954 鹿毛 Revoked)