Brookdale ( 牝 1921 鹿毛 Peter Pan )
 |-- Playdale ( 牡 1929 鹿毛 My Play )
 `-- Boola Brook ( 牝 1937 鹿毛 Bull Dog )
 |   |-- Admiral's Lady ( 牝 1942 黒鹿毛 War Admiral )
 |   |   |-- Water Queen ( 牝 1947 鹿毛 Johnstown )
 |   |   `-- Crafty Admiral ( 牡 1948 鹿毛 Fighting Fox )
 |   |-- Balm of Gilead ( 牝 1945 鹿毛 Blenheim )
 |   |   |-- Lady Jane D. ( 牝 1950 鹿毛 Some Chance )
 |   |   `-- Black Main ( 牝 1951 黒鹿毛 Double Jay )
 |   `-- Spring Run ( 牝 1948 鹿毛 Menow )
 |   |   |-- Racing Fool ( 牡 1952 鹿毛 Jet Pilot )
 |   |   |-- Red God ( 牡 1954 栗毛 Nasrullah )
 |   |   |-- Spring Muse ( 牝 1956 鹿毛 Ambiorix )
 |   |   |-- Up Spirits ( 牡 1961 鹿毛 Turn-to )
 |   |   `-- Bold Dame ( 牝 1963 Bold Ruler )