Orienta ( 牝 1898 栗毛 Henry of Navarre )
 |-- Olympia ( 牝 1911 栗毛 Rock Sand )
 |   `-- Oval ( 牝 1921 栗毛 Fair Play )
 |   |   |-- Arena ( 牝 1926 鹿毛 St. James )
 |   |   |-- Goose Egg ( 牝 1927 鹿毛 Chicle )
 |   |   |-- Robin's Egg ( 牝 1928 栗毛 Wildair )
 |   |   |-- Ovalette ( 牝 1931 鹿毛 Chicle )
 |   |   `-- Best One ( 牝 1937 青鹿毛 Whichone )
 `-- Ormulu ( 牝 1912 栗毛 Fair Play )
 |   `-- Playwell ( 牝 1925 栗毛 Atwell )
 |   |   `-- O Play ( 牝 1937 鹿毛 Okapi )