Whirlpool ( 牝 1891 栗毛 St. George )
 |-- Neva ( 牝 1895 栗毛 Stepniak )
 |   |-- Bunyan ( 牡 1904 栗毛 Pilgrim's Progress )
 |   |-- Ambrosian ( 牝 1906 栗毛 St. Ambrose )
 |   |   `-- Rapture ( 牝 1917 鹿毛 Kilbroney )
 |   `-- Winterbourne ( 牡 1913 黒鹿毛 Martian )
 |-- Taitoko ( 牡 1904 鹿毛 Stepniak )
 |-- Droski ( 牝 1907 栗毛 Stepniak )
 |   |-- Ravenna ( 牝 1918 栗毛 Solferino )
 |   |   |-- Ascoli ( 牝 1940 栗毛 Gustavo )
 |   |   `-- Red Fury ( 牡 1943 栗毛 Enfield )
 |   |            1着 - MRCコーフィールドC
 |   `-- Traction ( 牝 1924 Tractor )
 |   |   `-- Madam Droski ( 牝 1944 Battle Song )
 `-- Charybdis ( 牝 1912 栗毛 Downshire )
 |   |-- Water Power ( 牝 1927 黒鹿毛 Tractor )
 |   |   `-- Loch Derg ( 牝 1942 鹿毛 Paper Slipper )
 |   `-- Surge ( 牝 1930 栗毛 Tractor )
 |   |   `-- Piccalilli ( 牝 1939 栗毛 Salmagundi )