Mistress Penn ( 牝 1894 栗毛 Hampton )
 |-- Penny Wedding ( 牝 1899 栗毛 Best Man )
 |   `-- Wedding Present ( 牝 1906 鹿毛 Trenton )
 |   |   |-- Wedding Day ( 牝 1912 栗毛 Antonio )
 |   |   |-- Silver Wedding ( 牝 1918 栗毛 Antonio )
 |   |   `-- Secret Wedding ( 牝 1919 鹿毛 William the Silent )
 |-- Penniless ( 牝 1903 Isinglass )
 |   `-- Duchess Poverty ( 牝 1916 Duke Foote )
 |   |   `-- Iolaus ( 牝 1930 栗毛 Air Balloon )
 |-- Hester Prime ( 牝 1905 鹿毛 Orme )
 |   `-- Tenotomy ( 牝 1909 鹿毛 Meddler )
 |   |   `-- Thundercloud ( 牝 1915 鹿毛 Ogden )
 `-- Pennsylvania ( 牝 1909 鹿毛 Meddler )
 |   `-- Keystone ( 牝 1916 鹿毛 Marajax )
 |   |   |-- Mormaw ( 牝 1920 鹿毛 Fair Play )
 |   |   |-- Whetstone ( 牝 1921 鹿毛 Sweep )
 |   |   |-- Drystone ( 牝 1929 鹿毛 Man o'War )
 |   |   |-- Emergency Aid ( 牝 1930 鹿毛 Man o'War )
 |   |   `-- Neverfail ( 牝 1931 鹿毛 Man o'War )