Old Bald Peg (牝 )
 `-- Old Morocco Mare (牝 Fairfax Morocco Barb)
     |-- Spanker (牡 鹿毛 D'Arcy's Yellow Turk)
     |-- Young Bald Peg (牝 Leedes Arabian)
     |   |-- Wilkinson Barb Mare (牝 )
     |   `-- Bay Peg (牝 1690 鹿毛 Leedes Arabian)
     |-- Young Spanker (牡 Spanker)
     `-- Spanker Mare (牝 1690 芦毛 Spanker)
         |-- Leedes (牡 黒鹿毛 Leedes Arabian)
         |-- Leeds (牡 黒鹿毛 Leeds Arabian)
         |-- Highland Laddie (牡 Leedes Arabian)
         |-- Jigg (牡 1700 Byerley Turk)
         |-- Cream Cheeks (牝 1700 Leedes Arabian)
         `-- Betty Percinal (牝 1705 Leedes Arabian)