Stephanie (牝 1925 鹿毛 Stefan the Great)
 |-- Quickly (牝 1930 青毛 Haste)
 |   |-- Reigh Grey (牝 1938 黒鹿毛 Reigh Count)
 |   |   `-- Smart Niece (牝 1946 黒鹿毛 Alibhai)
 |   |-- Count Fleet (牡 1940 黒鹿毛 Reigh Count)
 |   |-- Depth Charge (牡 1941 黒鹿毛 Bold Venture)
 |   `-- Count Speed (牡 1943 鹿毛 Reigh Count)
 |-- Poesy (牝 1936 栗毛 Chance Shot)
 |   `-- I Appeal (牡 1951 栗毛 Sir Pennant)
 `-- Stepwisely (牝 1941 黒鹿毛 Wise Counsellor)
     |-- Bolero (牡 1946 栗毛 Eight Thirty)
     |-- County Clare (牡 1950 黒鹿毛 Shannon)
     |-- Roman Tread (牡 1951 黒鹿毛 Roman)
     |-- Smart Stepper (牝 1953 黒鹿毛 Bull Lea)
     |   `-- Royal Stepper (牡 1958 鹿毛 Royal Charger)
     `-- Watch Your Step (牡 1956 栗毛 Citation)