Miss Slamerkin (牝 1729 鹿毛 Young True Blue)
 |-- Bustard (牡 1741 芦毛 Crab)
 |-- Othello (牡 1743 青毛 Crab)
 |-- Portmore's Othello (牡 1743 青毛 Crab)
 |-- Oroonoko (牡 1745 青毛 Crab)
 |-- Duchess (牝 1748 鹿毛 Whitenose[Portmore's])
 |   |-- Le Sang (牡 1759 鹿毛 Changeling)
 |   |-- Dux (牡 1761 鹿毛 Matchem)
 |   |-- Chymist (牝 1765 鹿毛 Matchem)
 |   `-- Pyrrha (牝 1771 鹿毛 Matchem)
 |       |-- Herod Mare (牝 1780 Herod)
 |       |-- Fenwick's Herod Mare (牝 1780 鹿毛 Herod)
 |       |-- Young Marske Mare (牝 1786 鹿毛 Young Marske)
 |       `-- Beatrice (牝 1791 鹿毛 Sir Peter)
 `-- Crab Mare (牝 1750 芦毛 Crab)
     |-- Whittington Mare (牝 1754 芦毛 Whittington)
     |   `-- Infant Mare (牝 1760 黒鹿毛 Infant)
     |-- Regulus Mare (牝 1757 芦毛 Regulus)
     |   `-- Virago (牝 1764 芦毛 Snap)
     `-- Turk (牡 1763 芦毛 Regulus)