Johanna Southcote ( 牝 1811 栗毛 Beningbrough )
 |-- Leeway ( 牝 1823 栗毛 Aladdin )
 |   `-- Billow ( 牝 1837 栗毛 Taurus )
 |   |   `-- Surge ( 牝 1849 栗毛 Envoy )
 |-- Young Johanna Southcote ( 牝 1826 鹿毛 Walton )
 |   `-- Doctor ( 牡 1840 黒鹿毛 Physician )
 |-- Variation ( 牝 1827 鹿毛 Bustard )
 |   |    1着 - '30英オークス
 |   |-- Elphine ( 牝 1837 鹿毛 Emilius )
 |   |   |-- Incurable ( 牝 1848 鹿毛 The Cure )
 |   |   |-- The Incurable ( 牝 1848 鹿毛 The Cure )
 |   |   |-- The Cure Mare ( 牝 1849 鹿毛 The Cure )
 |   |   |-- Lambton ( 牡 1850 鹿毛 The Cure )
 |   |   `-- Warlock ( 牡 1853 芦毛 Birdcatcher )
 |   |            1着 - '56英セントレジャー
 |   |-- Evasion ( 牝 1839 栗毛 Emilius )
 |   |   `-- Subterfuge ( 牝 1847 栗毛 Sir Hercules )
 |   |-- Pompey ( 牡 1840 鹿毛 Emilius )
 |   `-- Emilius Mare ( 牝 1843 鹿毛 Emilius )
 |   |   `-- Falstaff Mare ( 牝 1849 鹿毛 Falstaff )
 `-- Diversity ( 牝 1830 鹿毛 Muley )
 |   `-- Bustard Mare ( 牝 1837 Bustard )
 |   |   `-- Hornsea Mare ( 牝 1841 Hornsea )