Isolde ( 牝 1938 黒鹿毛 Bull Dog )
 |-- Dark Star ( 牡 1950 黒鹿毛 Royal Gem )
 `-- Perfect Gem ( 牝 1951 黒鹿毛 Royal Gem )
 |   |-- Impressionist ( 牝 1958 黒鹿毛 Brookfield )
 |   |   `-- Imasmartee ( 牡 1962 Amerigo )
 |   |-- Blue Norther ( 牝 1961 栗毛 Windy City )
 |   |   |-- Resplendent ( 牝 1968 鹿毛 Bold Ruler )
 |   |   `-- Beau Buck ( 牡 1971 栗毛 Buckpasser )
 |   |            1着 - ラクープ(G3)
 |   |-- Salt Spray ( 牡 1963 黒鹿毛 Sailor )
 |   |-- Little Norther ( 牝 1965 黒鹿毛 Crozier )
 |   |   |-- Fleeting North ( 牝 1973 黒鹿毛 Fleet Nasrullah )
 |   |   |-- Autumn Ember ( 牝 1975 黒鹿毛 Gallant Man )
 |   |   `-- コンコルドフライト ( 牡 1976 栗毛 Le Fabuleux ) 5勝
 |   `-- Glittering Stone ( 牝 1968 Sailor )
 |   |   `-- Glittering Heights ( 牝 1974 Maribeau )