Crystal ( 牝 1851 栗毛 Crozier )
 |-- Icicle ( 牝 1862 栗毛 Oulston )
 |   `-- Chilham ( 牝 1867 栗毛 Thunderbolt )
 |   |   `-- Taurus ( 牡 1879 栗毛 Scottish Chief )
 |-- Silverstream ( 牝 1864 鹿毛 Colonist )
 |   `-- Twitter ( 牝 1869 鹿毛 Durham )
 |   |   `-- Portia ( 牝 1882 黒鹿毛 Arbitrator )
 `-- Lady Lynbury ( 牝 1866 青毛 Coroner )
 |   |-- Piersfield ( 牡 1874 鹿毛 Lothario )
 |   `-- Lady Blunt ( 牝 1885 黒鹿毛 Arbitrator )
 |   |   |-- What ( 牝 1893 黒鹿毛 Oberon )
 |   |   `-- Sweetie ( 牝 1896 黒鹿毛 Harvest Feast )