Knockshield (牝 1933 鹿毛 Buchan)
 |-- Sure Shield (牝 1938 鹿毛 Solenoid)
 |   `-- Gold Cup (牝 1948 鹿毛 Golden Cloud)
 |       |-- Miss Gray Cloud (牝 1955 栗毛 Crafty Admiral)
 |       `-- Gold Serenade (牝 1961 Royal Serenade)
 |-- Gateen Bawn (牝 1940 栗毛 Furrokh Siyar)
 |   |-- Port Frere (牡 1945 栗毛 Valerian)
 |   `-- Duenna (牝 1953 Denturius)
 |       `-- トップレス Topless [新] (牝 1962 黒鹿毛 Faux Tirage)
 `-- Highland Delight (牝 1946 鹿毛 Panorama)
     `-- Biro (牝 1955 黒鹿毛 Gold Nib)
         `-- Birella (牝 1962 鹿毛 Bellagioca)