Snap Mare (牝 1767 鹿毛 Snap)
 |-- Herod Mare (牝 1774 鹿毛 Herod)
 |   |-- Ali Bey Mare (牝 1781 鹿毛 Ali Bey)
 |   |   |-- Ruler Mare (牝 1792 Ruler)
 |   |   `-- Buzzard Mare (牝 1802 栗毛 Buzzard)
 |   `-- Louisa (牝 1794 鹿毛 Javelin)
 |       `-- Petronius (牡 1805 鹿毛 Sir Peter Teazle)
 |                1着 - '08英セントレジャー
 |-- Vernon Arabian Mare (牝 1780 鹿毛 Vernon Arabian)
 |   `-- Emigrant (牡 1794 鹿毛 Escape)
 |            1着 - '96ジュライS
 |-- Highflyer Mare (牝 1785 黒鹿毛 Highflyer)
 |   `-- Gabriel (牡 1790 鹿毛 Dorimant)
 `-- Highflyer Mare (牝 1786 黒鹿毛 Highflyer)
     `-- Eaton Lass (牝 1793 Pot-8-Os)
         `-- Sir Peter Mare (牝 1801 黒鹿毛 Sir Peter Teazle)