Thora ( 牝 1878 鹿毛 Longfellow )
 |-- Yorkville Belle ( 牝 1889 栗毛 Miser )
 |   |-- Leisure ( 牝 1900 栗毛 Meddler )
 |   |   |-- Royal Tourist Royal Tourist [米] ( 牡 1905 鹿毛 Sandringham )
 |   |   |        1着 - プリークネスS
 |   |   `-- Holiday Holiday [米] ( セ 1911 鹿毛 Broomstick )
 |   |            1着 - プリークネスS
 |   `-- Repute ( 牝 1902 鹿毛 Hamburg )
 |   |   `-- Bubble ( 牝 1914 鹿毛 All Gold )
 |-- Dobbins ( 牡 1891 栗毛 Mr. Pickwick )
 `-- Bethel ( 牝 1897 鹿毛 Exile )
 |   `-- Election Bet ( 牝 1911 黒鹿毛 Electioneer )
 |   |   `-- Wager ( 牝 1925 栗毛 Polymelian )