Risky (牝 1924 鹿毛 Diadumenos)
 |-- Risque (牝 1928 鹿毛 Stimulus)
 |   |-- Risque Reigh (牝 1934 栗毛 Reigh Count)
 |   |   |-- Bull Reigh (牡 1938 鹿毛 Bull Dog)
 |   |   |-- La Reigh (牝 1940 栗毛 Count Gallahad)
 |   |   |-- Risque Ma (牝 1949 栗毛 Mahmoud)
 |   |   `-- Jody Belle (牝 1953 栗毛 Nasrullah)
 |   |-- Margaret Reigh (牝 1938 栗毛 Reigh Count)
 |   |   `-- Very Risky (牝 1945 鹿毛 Blenheim)
 |   `-- Risque Blue (牝 1941 鹿毛 Blue Larkspur)
 |       |-- Blue Banner (牝 1952 鹿毛 War Admiral)
 |       `-- Nadisque (牝 1961 黒鹿毛 ナディア)
 |-- Risk (牝 1929 鹿毛 Sir Gallahad)
 |   |-- Sky Larking (牡 1935 鹿毛 Blue Larkspur)
 |   |-- Our Treat (牝 1936 鹿毛 Stimulus)
 |   |   `-- Sis Lea (牝 1945 鹿毛 Bull Lea)
 |   |-- Little Risk (牝 1937 鹿毛 Stimulus)
 |   |   |-- Fair Return (牝 1944 鹿毛 Blenheim)
 |   |   `-- Cyclotron (牡 1948 鹿毛 Pensive)
 |   |-- Best Risk (牝 1940 黒鹿毛 Blenheim)
 |   |   `-- All Hands (牡 1957 黒鹿毛 Turn-to)
 |   |-- Beaugay (牝 1943 鹿毛 Stimulus)
 |   |   `-- Gay Busher (牝 1954 鹿毛 Mr. Busher)
 |   |-- Blue Fantasy (牝 1944 鹿毛 Blue Larkspur)
 |   |   `-- Lady Fantasy (牝 1955 鹿毛 Lord Boswell)
 |   `-- Run a Risk (牝 1946 栗毛 Count Fleet)
 |       |-- Roman Risk (牝 1955 鹿毛 Roman)
 |       `-- Enchanted Song (牝 1961 栗毛 Spy Song)
 |-- No Risk (牝 1936 鹿毛 Stimulus)
 |   `-- Risky Raid (牝 1940 黒鹿毛 Foray)
 |       `-- Just Risky (牝 1949 鹿毛 Blenheim)
 `-- Ramillies (牡 1939 鹿毛 Blenheim)