Drama (牝 1944 鹿毛 Nearco)
 |-- Opera (牝 1952 Tudor Minstrel)
 |   `-- Soap Opera (牝 1957 Alibhai)
 |       `-- Opera City (牝 1963 黒鹿毛 Nashville)
 |-- Prologue (牝 1958 鹿毛 Prince John)
 |   `-- Pro Tab (牝 1973 芦毛 Al Hattab)
 |       |-- Gray Tab (牝 1982 芦毛 Zulu Tom)
 |       `-- Future Bright (牝 1984 芦毛 リファーズウィッシュ)
 `-- Nadra (牝 1959 芦毛 Native Dancer)
     `-- Kahoolawe (牝 1966 芦毛 Warfare)
         `-- Current Hope (牡 1980 芦毛 Little Current)