Black Gem (牝 1918 黒鹿毛 Black Jester)
 |-- Bulger (牡 1923 黒鹿毛 Bridge of Earn)
 |-- Brig o'Dee (牝 1926 黒鹿毛 Bridge of Earn)
 |   `-- Indiscretion (牝 1932 鹿毛 Hurry On)
 |       |-- Iskandaria (牝 1942 黒鹿毛 Le Gosse)
 |       |-- Iroquoise (牝 1943 黒鹿毛 Barneveldt)
 |       |-- Imprudence Imprudence [仏] (牝 1944 黒鹿毛 Canot) 海外6勝
 |       |   |    1着 - 英オークス、英1000ギニー、仏1000ギニー
 |       |   |    2着 - モリーピッチャーH
 |       |-- Intrigante (牝 1950 鹿毛 Bozzetto)
 |       `-- Inquietude (牝 1953 鹿毛 Bozzetto)
 `-- Tourmaline (牝 1928 鹿毛 Tetratema)
     `-- Bella Mia (牝 1938 鹿毛 Bellacose)
         `-- Emerald Green (牝 1944 芦毛 Pampas Grass)