Oil Princess (牝 1949 黒鹿毛 Errard)
 |-- Oil Rich (牝 1955 黒鹿毛 Phalanx)
 |   |-- Rich Reserve (牝 1961 青毛 Swaps)
 |   |   `-- Harvard Man (牡 1972 栗毛 Crimson Satan)
 |   |-- Method Actress (牝 1962 Round Table)
 |   |   `-- Erasure (牝 1977 What a Pleasure)
 |   `-- Sweet Heaven (牝 1967 栗毛 Olympia)
 |       `-- Road to Heaven (牝 1978 栗毛 Kennedy Road)
 |-- Princess Diane (牝 1957 Phalanx)
 |   `-- Dianette (牝 1976 Thorn)
 |       `-- Irish Actress (牝 1987 Seattle Song)
 |-- Oil Royalty (牝 1958 鹿毛 Greek Song)
 |   `-- Barbsie (牝 1970 T.V. Lark)
 |       `-- Guile (牝 1979 鹿毛 ロイヤルスキー)
 |-- Strike Oil (牝 1959 黒鹿毛 Prince John)
 |   |-- Everglow (牝 1971 黒鹿毛 Jacinto)
 |   |   |-- Comedy Act (牝 1979 鹿毛 Shecky Greene)
 |   |   `-- Red Ember (牝 1980 黒鹿毛 Crimson Satan)
 |   |-- Scarlet Gold (牝 1977 Crimson Satan)
 |   |   `-- Five Red Stars (牝 1983 Five Star Flight)
 |   `-- Slippery (牝 1981 鹿毛 Seattle Slew)
 |       `-- Flattering (牝 1986 黒鹿毛 Nodouble)
 `-- Rich Royalty (牝 1960 鹿毛 Prince John)
     `-- Major Play (牝 1971 鹿毛 B. Major)
         `-- Morning Games (牝 1976 芦毛 Grey Dawn)