Mahubah (牝 1910 鹿毛 Rock Sand)
 |-- Masda (牝 1915 栗毛 Fair Play)
 |   |-- Brilliant (牡 1922 栗毛 Broomstick)
 |   |-- Beaming (牝 1924 鹿毛 Whisk Broom)
 |   |   |-- Darkling (牝 1930 黒鹿毛 Macaw)
 |   |   `-- High Glee (牝 1931 黒鹿毛 Pharamond)
 |   |-- Incandescent (牝 1931 鹿毛 Chicle)
 |   |   `-- Igual (牝 1937 栗毛 Equipoise)
 |   `-- Burning Bright (牝 1937 黒鹿毛 Whichone)
 |       `-- Vulcan's Forge (牡 1945 栗毛 Mahmoud)
 |-- Man o'War (牡 1917 栗毛 Fair Play)
 |-- Playfellow (牡 1918 鹿毛 Fair Play)
 |-- My Play (牡 1919 鹿毛 Fair Play)
 `-- Mirabelle (牝 1920 栗毛 Fair Play)
     `-- Pretty Paws (牝 1935 栗毛 Gallant Fox)
         `-- Boot and Spur (牡 1939 鹿毛 Blue Larkspur)