Volcanic ( 牝 1918 栗毛 Corcyra )
 |-- Panic ( 牝 1923 栗毛 Hurry On )
 |   |-- Solfatara ( 牝 1930 鹿毛 Solario )
 |   |   |    1着 - ナッソーS
 |   |   `-- Iron Duke ( 牡 1946 鹿毛 His Grace )
 |   |-- Tiderace ( 牡 1932 栗毛 Fairway )
 |   |-- Solfo ( 牡 1934 栗毛 Solario )
 |   |-- Shifting Sands ( 牡 1935 栗毛 Fairway )
 |   `-- Titanic ( 牝 1936 栗毛 Hyperion )
 |   |   |-- Flag Star ( 牝 1943 栗毛 Blue Peter )
 |   |   |-- Seraphic ( 牝 1944 栗毛 Fair Trial )
 |   |   |-- Dramatic ( 牡 1945 栗毛 Fair Trial )
 |   |   `-- Cryptic ( 牝 1947 栗毛 Fair Trial )
 |-- Cyclonic ( 牡 1925 栗毛 Hurry On )
 |-- Bucolic ( 牝 1926 鹿毛 Buchan )
 |   `-- Barbara Burrini ( 牝 1937 鹿毛 Papyrus )
 |   |   `-- Romanella ( 牝 1943 栗毛 El Greco )
 |-- Typhonic ( 牝 1930 栗毛 Hurry On )
 `-- Tornadic ( 牝 1931 栗毛 Hurry On )
 |   |-- Sun King ( 牡 1939 栗毛 Hyperion )
 |   |-- Sun Storm ( 牡 1942 鹿毛 Solario )
 |   `-- Jurysail ( 牝 1947 栗毛 Fair Trial )
 |   |   `-- Topsail ( 牝 1962 ACROPOLIS )