Pratts Old Mare (牝 1750 栗毛 Squirt)
 |-- Ranthos (牡 1763 鹿毛 Matchem)
 |-- Riddle (牝 1765 栗毛 Matchem)
 |   `-- Snap Mare (牝 1774 鹿毛 Snap)
 |       `-- Star (牡 1785 鹿毛 Highflyer)
 |-- Maiden (牝 1770 栗毛 Matchem)
 |   |-- Dundas Herod Mare (牝 1779 鹿毛 Herod)
 |   |   |-- Precipitate (牡 1787 栗毛 Mercury)
 |   |   |-- Gohanna (牡 1790 鹿毛 Mercury)
 |   |   |-- Caustic (牡 1792 Mercury)
 |   |   `-- Driver Mare (牝 1801 鹿毛 Driver)
 |   |-- Challenger (牡 1780 鹿毛 Herod)
 |   |-- Matron (牝 1782 鹿毛 Florizel)
 |   |   |-- Phoenomenon Mare (牝 1788 栗毛 Phoenomenon)
 |   |   |-- Sir Solomon (牡 1796 鹿毛 Sir Peter Teazle)
 |   |   |-- Rupee (牝 1797 鹿毛 Coriander)
 |   |   `-- Minstrel (牝 1803 鹿毛 Sir Peter)
 |   |-- Young Maiden (牝 1784 鹿毛 Highflyer)
 |   |   `-- Brown Javelin (牝 1793 黒鹿毛 Javelin)
 |   |-- Walnut (牡 1786 鹿毛 Highflyer)
 |   `-- Selim Mare (牝 1812 鹿毛 Selim)
 |       |-- Harriet (牝 1819 青毛 Pericles)
 |       |-- Frolic Mare (牝 1819 鹿毛 Frolic)
 |       |-- Elfrid (牝 1820 鹿毛 Wanderer)
 |       |-- Camel (牡 1822 黒鹿毛 Whalebone)
 |       |-- Camelina (牝 1823 鹿毛 Whalebone)
 |       `-- Gaberlunzie (牡 1824 黒鹿毛 Wanderer)
 `-- Purity (牝 1774 鹿毛 Matchem)
     |-- Rockingham (牡 1781 鹿毛 Highflyer)
     `-- St. Paul (牡 1789 栗毛 Saltram)