Miss Belsea (牝 1753 鹿毛 Regulus)
 |-- Hyaena (牝 1762 黒鹿毛 Snap)
 |   `-- Everlasting (牝 1775 鹿毛 Eclipse)
 |       |-- Woodpecker Mare (牝 1785 鹿毛 Woodpecker)
 |       |-- Skyscrapper (牡 1786 鹿毛 Highflyer)
 |       |        1着 - '89英ダービー
 |       |-- Skyscraper (牡 1786 鹿毛 Highflyer)
 |       |-- Sister to Skyscraper (牝 1788 鹿毛 Highflyer)
 |       `-- Leviathan (牡 1793 鹿毛 Highflyer)
 |-- Rosebud (牝 1765 鹿毛 Snap)
 |   |-- Eclipse Mare (牝 1778 鹿毛 Eclipse)
 |   |   |-- Skysweeper (牝 1782 黒鹿毛 Highflyer)
 |   |   |-- Atkinsons Shark Mare (牝 1785 Shark)
 |   |   |-- Chanticleer (牡 1787 栗毛 Woodpecker)
 |   |   |-- Highflyer Mare (牝 1791 黒鹿毛 Highflyer)
 |   |   |-- Y. Woodpecker (牡 1794 栗毛 Woodpecker)
 |   |   `-- Young Woodpecker (牡 1794 栗毛 Woodpecker)
 |   |-- Nelly (牝 1784 黒鹿毛 Postmaster)
 |   |   |-- Kill Devil (牡 1797 黒鹿毛 Rockingham)
 |   |   `-- Louisa (牝 1799 黒鹿毛 Pegasus)
 |   `-- Vermin (牡 1788 黒鹿毛 Highflyer)
 `-- Elfrida (牝 1768 黒鹿毛 Snap)
     `-- Editha (牝 1781 鹿毛 Herod)
         `-- Pot-8-Os Mare (牝 1794 Pot-8-Os)