Nature (牝 1906 鹿毛 Meddler)
 |-- Nature's Smile (牝 1920 鹿毛 Rabelais)
 |   |-- Serenity (牝 1926 鹿毛 Man o'War)
 |   |   |-- Sickle Pear (牝 1931 栗毛 Sickle)
 |   |   |-- Black Lashes (牝 1934 鹿毛 Sickle)
 |   |   |-- Secret Rose (牝 1936 黒鹿毛 Blue Larkspur)
 |   |   `-- Annunciata (牝 1937 黒鹿毛 Sickle)
 |   |-- Native Wit (牝 1929 鹿毛 Fair Play)
 |   |   `-- Native Gal (牝 1939 鹿毛 Sir Gallahad)
 |   `-- Pellet (牝 1932 黒鹿毛 Man o'War)
 |       `-- Layout (牝 1941 黒鹿毛 Sickle)
 |-- Carnation (牝 1921 鹿毛 Rabelais)
 |   `-- Hybrid (牝 1934 鹿毛 Chance Shot)
 |       |-- Basrelief (牝 1941 栗毛 Donatello)
 |       `-- Soviet (牝 1944 栗毛 Sickle)
 |-- Tagus (牝 1922 Alcantara)
 |   `-- Tangiers (牝 1934 鹿毛 Ksar)
 |       `-- Taravelle (牝 1946 Admiral Drake)
 `-- Spring (牝 1926 鹿毛 Ksar)