Thirty-Third ( 牝 1902 栗毛 Sir Dixon )
 |-- Buckhorn ( 牡 1909 鹿毛 Broomstick )
 |-- 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 )