Dun Arabian Mare ( 牝 1718 Lord Oxford's Dun Arabian )
 `-- 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 )
 |   `-- Crab Mare ( 牝 1750 芦毛 Crab )
 |   |   |-- Whittington Mare ( 牝 1754 芦毛 Whittington )
 |   |   |-- Regulus Mare ( 牝 1757 芦毛 Regulus )
 |   |   `-- Turk ( 牡 1763 芦毛 Regulus )