Greyhound Mare (牝 1723 栗毛 Greyhound)
 |-- Grisewood's Lady Thigh (牝 1731 栗毛 Croft's Partner)
 |   |-- Cullen Arabian Mare (牝 1749 Cullen Arabian)
 |   |   |-- Principessa (牝 Blank)
 |   |   |-- Lovely (牝 1760 栗毛 Babraham)
 |   |   `-- Careless Mare (牝 1771 Warrens Careless)
 |   |-- Miss Thigh (牝 1750 芦毛 Rib)
 |   |   `-- Young Cade Mare (牝 1763 鹿毛 Young Cade)
 |   `-- Diana (牝 1754 芦毛 Cullen Arabian)
 |       |-- Snap Mare (牝 1762 Snap)
 |       |-- Jack of Diamonds Mare (牝 1766 Jack of Diamonds)
 |       |-- Spotswood's Apollo (牡 1767 鹿毛 Fearnought)
 |       `-- Fitzhughs True Whig (牡 1775 栗毛 Fitzhugh's Regulus)
 |-- Meynell (牝 1736 鹿毛 Croft's Partner)
 |   |-- Trunnion (牡 1747 鹿毛 Cade)
 |   |-- Bay Starling (牝 1750 鹿毛 Starling)
 |   |   `-- Blank Mare (牝 1759 栗毛 Blank)
 |   `-- Young Trunnion (牡 1755 鹿毛 Cade)
 |-- Jenny Spinner (牝 1740 栗毛 Croft's Partner)
 |   |-- Prophetess (牝 1758 栗毛 Regulus)
 |   |   `-- Piracantha (牝 1772 Matchem)
 |   `-- Prophet (牡 1760 栗毛 Regulus)
 `-- Partner Mare (牝 1743 栗毛 Croft's Partner)
     `-- Burwells Regulus (牡 1758 栗毛 Regulus)