・牝系図

Oil Princess(牝 1949 Errard)

├ Oil Rich (牝 1955 Phalanx)

│├ Rich Reserve (牝 1961 Swaps)

││└ Harvard Man (牡 1972 Crimson Satan)

│├ Method Actress (牝 1962 Round Table)

││└ Erasure (牝 1977 What a Pleasure)

│└ Sweet Heaven (牝 1967 Olympia)

│　└ Road to Heaven (牝 1978 Kennedy Road)

├ Princess Diane (牝 1957 Phalanx)

│└ Dianette (牝 1976 Thorn)

│　└ Irish Actress (牝 1987 Seattle Song) 0勝

├ Oil Royalty (牝 1958 Greek Song)

│└ Barbsie (牝 1970 T. V. Lark)

│　└ Guile (牝 1979 Royal Ski)

├ Strike Oil (牝 1959 Prince John)

│├ Everglow (牝 1971 Jacinto)

││├ Comedy Act (牝 1979 Shecky Greene)

││└ Red Ember (牝 1980 Crimson Satan)

│└ Scarlet Gold (牝 1977 Crimson Satan)

│　└ Five Red Stars (牝 1983 Five Star Flight)

└ Rich Royalty (牝 1960 Prince John)

　└ Major Play (牝 1971 B. Major)

　　└ Morning Games (牝 1976 Grey Dawn)

※牝系情報の勝利数はＪＲＡでのもの（1984年以降に生まれた馬で表示）。地方競馬のみを走った競走馬は「母馬名の生年」の形で表示しています