Little Sleeper (牝 1934 黒鹿毛 Challenger)
 |-- Good Thing (牝 1941 鹿毛 Discovery)
 |   |-- Sweet Talk (牝 1948 栗毛 Alibhai)
 |   |   `-- Sweet Endeavour (牝 1965 鹿毛 Endeavour)
 |   |-- Lap o'Luxury (牝 1951 鹿毛 Rosemont)
 |   |   `-- Cushion (牝 1961 鹿毛 Menetrier)
 |   |-- Rosy Prospect (牝 1953 鹿毛 Rosemont)
 |   |   |-- Likely Prospect (牝 1959 栗毛 Mahmoud)
 |   |   |-- Ivory Tower (牝 1960 鹿毛 Hill Prince)
 |   |   |-- Peace Corps (牡 1966 芦毛 Restless Native)
 |   |   `-- Bright Prospect (牝 1968 鹿毛 Bolinas Boy)
 |   `-- Political Plum (牝 1962 鹿毛 The Doge)
 |       `-- Fruit Cake (牝 1971 黒鹿毛 カウアイキング)
 `-- Slumberland (牝 1947 鹿毛 New World)
     `-- Fable Effort (牝 1961 鹿毛 Sub Factor)
         `-- Well Done (牝 1973 黒鹿毛 Distinctive)