Breakwater (牝 1897 鹿毛 Hindoo)
 |-- Yankee Girl (牝 1904 鹿毛 Sir Dixon)
 |   |-- Purling (牝 1916 鹿毛 Peter Pan)
 |   |   |-- Rumbling (牝 1922 Thunderer)
 |   |   `-- Purr (牝 1925 栗毛 Thunderer)
 |   `-- Yankee Maid (牝 1919 青毛 Peter Pan)
 |       |-- Bostonian (牡 1924 青毛 Broomstick)
 |       |-- Black Sheep (牝 1930 黒鹿毛 Broomstick)
 |       `-- Lima (牝 1937 黒鹿毛 Peace Chance)
 |-- Dike (牝 1908 栗毛 Sir Dixon)
 |   `-- Winged Bee (牝 1928 栗毛 Infinite)
 |       `-- Can't Wait (牡 1935 栗毛 Victorian)
 `-- Christmas Star (牝 1910 青毛 Star Shoot)
     |-- Escoba (牡 1915 鹿毛 Broomstick)
     |-- Mollie King (牝 1919 Trevisco)
     |   `-- Loma Linda (牝 1928 鹿毛 My Play)
     |-- Etoile d'Or (セ 1922 栗毛 Golden Broom)
     `-- Mars (牡 1923 鹿毛 Man o'War)