Radium Mare (牝 1913 鹿毛 Radium)
 |-- Bright Hackle (牝 1917 栗毛 Royal Hackle)
 |   |-- Athlone Lass (牝 1924 鹿毛 Athlone)
 |   |   `-- British Queen (牝 1941 黒鹿毛 Knight of the Garter)
 |   `-- Irish Lancer (牝 1929 鹿毛 Allenby)
 `-- Radiogram (牝 1919 鹿毛 Juggernaut)
     `-- Shannon Jug (牝 1923 黒鹿毛 Athlone)
         |-- Solenoid (牡 1929 鹿毛 Soldennis)
         |-- Solid Gold (牝 1932 栗毛 Soldennis)
         |-- Caldo (牝 1934 Soldennis)
         `-- Silver Tassie (牝 1935 黒鹿毛 Cameronian)