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 )