Nettie (牝 1888 栗毛 Neptune)
 |-- High Degree (牝 1896 栗毛 His Highness)
 |   `-- Thirty-Third (牝 1902 栗毛 Sir Dixon)
 |       |-- Triad (牝 1913 栗毛 Star Shoot)
 |       |-- Midway (牡 1914 栗毛 Ballot)
 |       |-- Tree Top (牝 1921 黒鹿毛 Ultimus)
 |       `-- Captiva (牝 1922 黒鹿毛 Brown Prince)
 `-- Princess Nettie (牝 1904 栗毛 His Highness)
     |-- Nettie Hastings (牝 1912 栗毛 Hastings)
     |   |-- Bo McMillan (牡 1920 栗毛 Ballot)
     |   |-- Peter Hastings (牡 1925 鹿毛 Peter Pan)
     |   `-- Sweep All (牡 1928 鹿毛 Sweep)
     `-- Polly Ann (牝 1918 栗毛 Superman)
         `-- Polydor (牡 1925 栗毛 Golden Broom)