Thirty-Third (牝 1902 栗毛 Sir Dixon)
 |-- Triad (牝 1913 栗毛 Star Shoot)
 |   |-- Bright Leaf (牝 1919 栗毛 Bulse)
 |   |   `-- Green Leaf (牝 1929 鹿毛 Supremus)
 |   `-- Lady Louise (牝 1927 鹿毛 Ormondale)
 |       `-- Ste. Louise (牝 1933 鹿毛 St. Henry)
 |-- Midway (牡 1914 栗毛 Ballot)
 |-- Tree Top (牝 1921 黒鹿毛 Ultimus)
 |   `-- Bird Nest (牝 1929 鹿毛 Mad Hatter)
 |       |-- Broken Bough (牝 1939 鹿毛 St. Brideaux)
 |       `-- Fighting Don (牡 1942 鹿毛 Fighting Fox)
 `-- Captiva (牝 1922 黒鹿毛 Brown Prince)
     `-- Boca Grande (牝 1927 青毛 Hourless)
         `-- Paolita (牝 1940 青毛 North Wales)