Diana (牝 1754 芦毛 Cullen Arabian)
 |-- Snap Mare (牝 1762 Snap)
 |   |-- Conductor (牡 1767 栗毛 Matchem)
 |   |-- Alfred (牡 1770 鹿毛 Matchem)
 |   |-- Georgiana (牝 1771 鹿毛 Matchem)
 |   |   |-- Lady Harriet (牝 1783 鹿毛 Mark Anthony)
 |   |   |-- Grouse (牡 1790 鹿毛 Highflyer)
 |   |   `-- Moorcock (牡 1791 鹿毛 Highflyer)
 |   `-- Fortitude (牡 1777 鹿毛 Herod)
 |-- Jack of Diamonds Mare (牝 1766 Jack of Diamonds)
 |   |-- True Whig Mare (牝 Fitzhughs True Whig)
 |   |   `-- Gallant Mare (牝 Gallant)
 |   `-- Ariel Mare (牝 Brent's Ariel)
 |       `-- Fearnought Mare (牝 Fearnought)
 |-- Spotswood's Apollo (牡 1767 鹿毛 Fearnought)
 `-- Fitzhughs True Whig (牡 1775 栗毛 Fitzhugh's Regulus)