Formosa (牝 1865 栗毛 Buccaneer)
 |-- Pulchra (牝 1874 鹿毛 Rosicrucian)
 |   |-- Lady Evelyn (牝 1881 栗毛 Perkin Warbeck)
 |   |   |-- St. Evelyn (牝 1894 栗毛 St. Leger)
 |   |   `-- Field Battery (牡 1898 黒鹿毛 Hotchkiss)
 |   |-- St. Clair (牡 1883 Musket)
 |   |-- Formo (牝 1884 栗毛 Sterlingworth)
 |   |   |-- Forme (牝 1891 黒鹿毛 Nordenfeldt)
 |   |   |-- Multiform (牡 1894 鹿毛 Hotchkiss)
 |   |   |-- Tres Belle (牝 1895 鹿毛 Hotchkiss)
 |   |   |-- Formula (牝 1897 黒鹿毛 Hotchkiss)
 |   |   `-- Monoform (牡 1901 栗毛 Hotchkiss)
 |   `-- Bellissima (牝 1885 鹿毛 Musket)
 |       `-- The Cardinal (牡 1891 鹿毛 Newminster)
 `-- Formalite (牝 1880 栗毛 Hermit)
     `-- Fortunio (牡 1885 栗毛 Isonomy)