Biturica (牝 1900 黒鹿毛 Hamburg)
 |-- Maskette (牝 1906 黒鹿毛 Disguise)
 |   |-- Maskara (牝 1916 鹿毛 Dorrit)
 |   |   `-- Masked Marvel (牡 1922 黒鹿毛 McKinley)
 |   `-- Masked Jester (牡 1928 鹿毛 Hollister)
 |-- Playmate (牝 1909 黒鹿毛 Peter Pan)
 |   `-- My Friend (牝 1916 鹿毛 Disguise)
 |       `-- Sun Pal (牡 1921 栗毛 Sun Briar)
 |-- Bellisario (牝 1911 鹿毛 Hippodrome)
 |   `-- Beaming Beauty (牝 1917 鹿毛 Sweep)
 |       |-- Bubbling Over (牡 1923 栗毛 North Star) 海外10勝
 |       |        1着 - ケンタッキーダービー
 |       |        2着 - ピムリコフュチュリティ
 |       |-- Bit o' Love (牝 1924 鹿毛 Light Brigade)
 |       |-- By Mistake (牝 1928 栗毛 North Star)
 |       |-- Blonde Belle (牝 1932 栗毛 North Star)
 |       `-- Bar Nothing (牝 1933 鹿毛 Blue Larkspur)
 `-- Aragonesa (牝 1913 鹿毛 Ultimus)
     `-- Ninas (牝 1924 鹿毛 Combourg)
         |-- Nausicaa (牝 1932 栗毛 El Sbaa)
         `-- Nora (牝 1938 Soukne)