Miss Belsea ( 牝 1753 鹿毛 Regulus )
 |-- Hyaena ( 牝 1762 黒鹿毛 Snap )
 |   `-- Everlasting ( 牝 1775 鹿毛 Eclipse )
 |   |   |-- Highflyer Mare ( 牝 Highflyer )
 |   |   |-- 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 )