Nature ( 牝 1906 鹿毛 Meddler )
 |-- Charity Lass ( 牝 1911 黒鹿毛 Fugleman )
 |   `-- Prim Lady ( 牝 1921 鹿毛 Mont Dor )
 |   |   `-- General Grant ( 牡 1925 鹿毛 American Ace )
 |-- Naturalist ( セ 1914 鹿毛 Rabelais )
 |-- 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 )
 |   |   |-- Troth ( 牝 1940 鹿毛 Donatello )
 |   |   |-- Basrelief ( 牝 1941 栗毛 Donatello )
 |   |   `-- Soviet ( 牝 1944 栗毛 Sickle )
 |-- Tagus ( 牝 1922 Alcantara )
 |   `-- Tangiers ( 牝 1934 鹿毛 Ksar )
 |   |   |-- La Tangente ( 牝 1941 鹿毛 Patachon )
 |   |   `-- Taravelle ( 牝 1946 Admiral Drake )
 `-- Spring ( 牝 1926 鹿毛 Ksar )
 |   `-- Springtide ( 牝 1944 鹿毛 Menow )
 |   |   `-- Neaptide ( 牝 1950 鹿毛 Count Fleet )