Yankee Girl (牝 1904 鹿毛 Sir Dixon)
 |-- Purling (牝 1916 鹿毛 Peter Pan)
 |   |-- Rumbling (牝 1922 Thunderer)
 |   |   `-- Rummond (牝 1930 Pharamond)
 |   `-- Purr (牝 1925 栗毛 Thunderer)
 |       `-- Ethel Blume (牝 1937 鹿毛 Peace Chance)
 `-- Yankee Maid (牝 1919 青毛 Peter Pan)
     |-- Bostonian (牡 1924 青毛 Broomstick)
     |-- Beacon Hill (牡 1926 黒鹿毛 Broomstick)
     |-- Flimsy (牝 1927 黒鹿毛 Broomstick)
     |   `-- Rose Bertin (牝 1933 黒鹿毛 Mad Hatter)
     |-- Black Sheep (牝 1930 黒鹿毛 Broomstick)
     |   |-- Cartela (牝 1935 黒鹿毛 Chicle)
     |   `-- Sunny Muir (牝 1937 青毛 Broadside)
     `-- Lima (牝 1937 黒鹿毛 Peace Chance)
         `-- プリンセスリタ Princess Rita [米] (牝 1949 鹿毛 Count Speed)