La Tosca ( 牝 1888 黒鹿毛 Robinson Crusoe )
 |-- River Trent ( 牝 1894 鹿毛 Trenton )
 |   |-- Snowy River ( 牝 1904 St. Serf )
 |   |   `-- Manaro ( 牝 1913 Comedy King )
 |   `-- Eye Glass ( 牡 1907 鹿毛 Isinglass )
 |-- La Notte ( 牝 1897 鹿毛 Eiridspord )
 |   `-- Noctuiform ( 牡 1902 栗毛 Multiform )
 |-- F.J.A. ( 牡 1900 鹿毛 Wallace )
 |-- Class ( 牝 1901 青毛 Wallace )
 |   |-- First Class ( 牝 1915 栗毛 All Black )
 |   |   `-- Society ( 牝 1922 栗毛 Absurd )
 |   `-- Lalla Rookh ( 牝 1916 黒鹿毛 Feramorz )
 |   |   `-- Poetaster ( 牝 1922 栗毛 Absurd )
 `-- Burletta ( 牝 1905 鹿毛 Wallace )
 |   `-- Radnor ( 牡 1910 鹿毛 Earlston )