Maythorn (牝 1886 鹿毛 Thuringian Prince)
 `-- Springthorn (牝 1889 栗毛 Morgan)
     |-- Go On (牝 1895 栗毛 Isosceles)
     |   `-- Polar Star (牡 1904 栗毛 Pioneer)
     |-- Spring Chicken (牝 1904 栗毛 Gallinule)
     |   |-- Yokohama (牝 1911 鹿毛 Santoi)
     |   |-- Spring Thyme (牡 1912 鹿毛 Spearmint)
     |   |-- Scaramuccia (牝 1916 栗毛 Spearmint)
     |   |-- Scuola d'Atene (牝 1917 鹿毛 Bayardo)
     |   `-- Scopas (牡 1919 鹿毛 Sunstar)
     `-- Shrike (牝 1905 鹿毛 Gallinule)
         `-- Gaba Tepe (牝 1914 鹿毛 St. Frusquin)