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 )
 |   |   `-- Grantham Mare ( 牝 Grey Grantham )
 |   `-- Bay Peg ( 牝 1690 鹿毛 Leedes Arabian )
 |   |   |-- Basto ( 牡 1703 黒鹿毛 Byerley Turk )
 |   |   `-- Fox ( 牡 1714 鹿毛 Clumsey )
 |-- 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 Leedes ( 牝 Old Careless )
 |   |   |-- Cardigan Colt ( 牡 Richmond Turk )
 |   |   `-- Sister to Chaunter ( 牝 1712 Akaster Turk )
 |   `-- Betty Percinal ( 牝 1705 Leedes Arabian )
 |   |   `-- Paget Turk Mare ( 牝 芦毛 Pagett Arabian )