Birdswing (牝 1907 鹿毛 Flying Fox)
 |-- Nevsky (牝 1914 黒鹿毛 Cicero)
 |   |-- Yashka (牝 1919 青毛 Tracery)
 |   |   `-- Tasha (牝 1925 鹿毛 Golden Myth)
 |   `-- Tonbridge (牡 1920 Pommern)
 |-- Appleby (牝 1921 栗毛 Pommern)
 |   |-- Buck Barn (牝 1929 鹿毛 Buchan)
 |   |   `-- Buckeye (牝 1938 栗毛 Papyrus)
 |   `-- Estoril (牝 1930 栗毛 Solario)
 |       `-- Escamillo (牡 1939 栗毛 Firdaussi)
 `-- Cresta (牝 1923 鹿毛 Gay Crusader)
     `-- Gay Crest (牝 1932 黒鹿毛 Pharamond)
         `-- Speedway (牡 1939 栗毛 Sun Teddy)