Sister to Bay Bolton ( 牝 芦毛 Grey Hautboy )
 |-- Sister to Spinner ( 牝 鹿毛 Almanzor )
 |   |-- Smiling Tom Mare ( 牝 Smiling Tom )
 |   |   `-- Partner Mare ( 牝 Croft's Partner )
 |   |-- Cullen Arabian Mare ( 牝 Cullen Arabian )
 |   |   `-- Queen Elizabeth ( 牝 1763 鹿毛 Regulus )
 |   |-- Newton Grey Arabian Mare ( 牝 Newton Grey Arabian )
 |   |   `-- Osbaldeston ( 牝 Regulus )
 |   `-- Traveller ( 牡 1735 鹿毛 Croft's Partner )
 |-- Fox Mare ( 牝 Fox )
 |   `-- Cade Mare ( 牝 Cade )
 |   |   `-- Carbuncle ( 牡 1772 栗毛 Babraham Blank )
 `-- Spinner ( 牡 1727 芦毛 Almanzor )