Swing On (牝 1926 鹿毛 Whisk Broom)
 |-- Seabiscuit (牡 1933 鹿毛 Hard Tack)
 `-- Brown Biscuit (牝 1936 黒鹿毛 Sir Andrew)
     |-- Desert Ration (牡 1943 芦毛 Mahmoud)
     |-- Brownian (牝 1944 鹿毛 Sickle)
     |   |-- Elysium (牝 1953 鹿毛 Olympia)
     |   |-- Rullian (牝 1958 黒鹿毛 Nasrullah)
     |   `-- Spring Tan (牝 1960 栗毛 Summer Tan)
     |-- Isa (牝 1945 青毛 Eight Thirty)
     |   `-- Lucky Viola (牝 1959 鹿毛 Helioscope)
     |-- Koubis (牝 1946 芦毛 Mahmoud)
     |   `-- Determine (牡 1951 芦毛 Alibhai)
     |-- Castanea (牝 1949 栗毛 Menow)
     |   |-- Noureddin (牡 1955 鹿毛 Noor)
     |   `-- Sebring (牝 1959 栗毛 Hasty Road)
     |-- Crouton (牝 1950 鹿毛 Bull Lea)
     |-- Espea (牡 1953 黒鹿毛 Olympia)
     `-- Lebkuchen (牝 1954 栗毛 Hill Prince)
         |-- Polygamous (牝 1960 鹿毛 Polynesian)
         `-- Tantoul (牡 1968 栗毛 Tatan)