Nato (牝 1953 栗毛 Court Martial)
 |-- Articana (牝 1960 栗毛 Arctic Prince)
 |   |-- Out in the Cold (牝 1968 黒鹿毛 Beau Purple)
 |   |   `-- Exuberant (牡 1976 栗毛 What a Pleasure)
 |   |-- Out Cold (牝 1970 鹿毛 Etonian)
 |   |   |-- Cabiria (牝 1988 鹿毛 Raise a Native)
 |   |   `-- Lomond Aid (牝 1992 栗毛 Lomond)
 |   `-- It's Freezing (牡 1972 栗毛 T.V. Commercial)
 |-- Royal Bund (牝 1961 栗毛 Royal Coinage)
 |   |-- Bundler (牝 1971 栗毛 Raise a Native)
 |   |   `-- Bundled Up (牝 1987 栗毛 Sharpen Up)
 |   `-- Picture Tube (牝 1973 栗毛 T.V. Commercial)
 |       `-- Painted Portrait (牝 1990 Naevus)
 |-- We Try Harder (牝 1963 栗毛 Blue Prince)
 |   |-- Hard and Fast (牝 1968 鹿毛 Etonian)
 |   |   |-- Hardship (牝 1977 鹿粕毛 Drone)
 |   |   `-- Stingy (牝 1978 栗毛 Full Pocket)
 |   `-- Please Try Hard (牝 1976 鹿毛 Nashua)
 |       |-- トライントゥプリーズ Tryin to Please [米] (牝 1986 鹿毛 Raise a Native)
 |       |-- Be Your Best (牝 1987 鹿毛 Secretariat)
 |       |-- Good for Her (牝 1988 栗毛 Topsider)
 |       `-- Sweet and Steady (牝 1990 鹿毛 Steady Growth)
 |-- Quillon (牝 1964 栗毛 Princequillo)
 |   |-- Quack (牡 1969 鹿毛 T.V. Lark)
 |   `-- To the Quick (牡 1974 栗毛 Raise a Native)
 `-- Join the Waves (牝 1966 栗毛 Sailor)
     |-- Porthole (牝 1971 黒鹿毛 Gallant Man)
     |   `-- Personable Lady (牝 1981 鹿毛 No Robbery)
     `-- Lucy Sims (牝 1984 栗毛 Northjet)
         |-- Another Vegetarian (牝 1995 鹿毛 Stalwart)
         |-- Haddie (牝 1998 黒鹿毛 You and I)
         `-- Don't Trick Her (牝 2001 栗毛 Mazel Trick)