The Zenith ( 牝 1928 栗毛 Transcendent )
 |-- Four Star ( 牝 1935 芦毛 Tetratema )
 |   |-- ゼコツブ The Cob [愛] ( 牡 1941 栗毛 Panorama )
 |   |-- Lyonastra ( 牝 1942 栗毛 Coup de Lyon )
 |   |   `-- Starboard ( 牝 1948 栗毛 Ocean Swell )
 |   `-- Scintillating ( 牝 1947 芦毛 Precipitation )
 |   |   |-- Sind ( 牝 1957 鹿毛 Darius )
 |   |   `-- Squib ( 牝 1958 栗毛 Delirium )
 |-- Olympic Zenith ( 牡 1941 芦毛 Mahmoud )
 `-- Kildangan ( 牝 1943 栗毛 Panorama )
 |   `-- Blue Butterfly ( 牝 1949 栗毛 Blue Train )
 |   |   `-- Flutterby ( 牡 1958 鹿毛 Noor )