Ortegal (牝 1889 黒鹿毛 Bend Or)
 |-- Octagon (牡 1894 栗毛 Rayon d'Or)
 |-- Orienta (牝 1898 栗毛 Henry of Navarre)
 |   |-- Olympia (牝 1911 栗毛 Rock Sand)
 |   |   `-- Oval (牝 1921 栗毛 Fair Play)
 |   `-- Ormulu (牝 1912 栗毛 Fair Play)
 |       `-- Playwell (牝 1925 栗毛 Atwell)
 `-- Octoroon (牝 1899 栗毛 Hastings)
     |-- Sand Dune (牝 1908 Rock Sand)
     |   `-- May Loyd (牝 1921 栗毛 Omar Khayyam)
     |-- October (牡 1910 鹿毛 Rock Sand)
     `-- Oktibbena (牝 1911 栗毛 Rock Sand)
         |-- Sweepster (牡 1924 鹿毛 Sweep)
         |-- Killimick (牝 1925 鹿毛 Wrack)
         |-- Sweet Verbena (牝 1926 青毛 Negofol)
         `-- Okapi (牡 1930 黒鹿毛 Eternal)