Frailty ( 牝 1877 黒鹿毛 Goldsbrough )
 |-- Trenton ( 牡 1881 黒鹿毛 Musket )
 |-- Niagara ( 牡 1884 鹿毛 Anteros )
 |-- Cuirassier ( 牡 1885 黒鹿毛 Musket )
 |-- Cissy ( 牝 1886 黒鹿毛 Musket )
 |   |-- Janet ( 牝 1894 鹿毛 Castor )
 |   |   `-- Royal Fusilier ( 牡 1900 黒鹿毛 Hotchkiss )
 |   |-- Sant Ilario ( 牡 1896 鹿毛 St. Leger )
 |   |-- Circe ( 牝 1897 鹿毛 Castor )
 |   |   `-- Perseis ( 牝 1908 鹿毛 Positano )
 |   |-- Helen Faucit ( 牝 1899 鹿毛 Castor )
 |   |   `-- Ristori ( 牝 1906 栗毛 Royal Artillery )
 |   `-- Cricium ( 牝 1902 鹿毛 Phoebus Apollo )
 |   |   `-- Crisis ( 牝 1919 鹿毛 Polydamon )
 |-- Zalinski ( 牡 1888 黒鹿毛 Nordenfeldt )
 |-- Mousquetaire ( 牡 1889 Nordenfeldt )
 |-- Havoc ( 牡 1890 黒鹿毛 Nordenfeldt )
 |-- Edith Cureton ( 牝 1893 黒鹿毛 Castor )
 |   |-- Gold Bound ( 牝 1911 黒鹿毛 Gold Reef )
 |   |   `-- Coalpit ( 牝 1931 黒鹿毛 Cockpit )
 |   `-- Pandemos ( 牝 1915 黒鹿毛 Demosthenes )
 |   |   |-- Hunting Moss ( 牝 1928 Hunting Song )
 |   |   `-- Hauwiti ( 牝 1936 鹿毛 Lord Quex )
 `-- Lancaster ( 牡 1896 黒鹿毛 Hotchkiss )