Fox Cub Mare ( 牝 Fox Cub )
 `-- Bay Bolton Mare ( 牝 1728 Bay Bolton )
 |   |-- Hutton's Blacklegs Mare ( 牝 Hutton's Blacklegs )
 |   |   |-- Sister to Careless ( 牝 Huttons Spot )
 |   |   |-- Marske ( 牡 1750 黒鹿毛 Squirt )
 |   |   `-- Regulus Mare ( 牝 1757 Regulus )
 |   |-- Hutton's Spot Mare ( 牝 Hutton's Spot )
 |   |   |-- Vixen ( 牝 1753 鹿毛 Regulus )
 |   |   `-- Portia ( 牝 1758 鹿毛 Regulus )
 |   |-- Spot Mare ( 牝 芦毛 Huttons Spot )
 |   |   |-- Regulus Mare ( 牝 Regulus )
 |   |   `-- Lexington Arabian Mare ( 牝 Lexington Arabian )
 |   |-- The Ruby Mare ( 牝 Hutton's Blacklegs )
 |   |   `-- Phantom Mare ( 牝 Phantom )
 |   `-- Hutton's Barb Mare ( 牝 Hutton's Bay Barb )
 |   |   `-- Bay Rangers Dam ( 牝 Mixbury Galloway )