Saint Joan ( 牝 1918 黒鹿毛 Willbrook )
 |-- Double Life ( 牝 1926 栗毛 Bachelor's Double )
 |   |-- Nymph Errant ( 牝 1932 栗毛 Hurry On )
 |   |   `-- Fairwell ( 牡 1942 鹿毛 Fairway )
 |   |-- Precipitation ( 牡 1933 栗毛 Hurry On )
 |   |-- Holywell ( 牡 1935 鹿毛 Blandford )
 |   |-- Casanova ( 牡 1936 栗毛 Hyperion )
 |   |-- Doubleton ( 牝 1938 鹿毛 Bahram )
 |   |   |-- Daily Double ( 牝 1943 鹿毛 Fair Trial ) 海外4勝
 |   |   |   |    1着 - 英チャレンジS
 |   |   |   |    3着 - ファルマスS
 |   |   |-- Didima ( 牝 1944 黒鹿毛 Nearco )
 |   |   |-- Duplicity ( 牝 1945 鹿毛 Nearco )
 |   |   |-- Double Eclipse ( 牡 1947 栗毛 Hyperion )
 |   |   |        3着 - 1950 英ダービー(G1)
 |   |   |-- Nivrag ( 牡 1953 黒鹿毛 Pink Flower )
 |   |   `-- Meld's Relation ( 牝 1956 鹿毛 The Phoenix )
 |   |-- Persian Gulf ( 牡 1940 鹿毛 Bahram )
 |   `-- Fairly ( 牝 1941 鹿毛 Fairway )
 |   |   |-- Judicate ( 牡 1949 鹿毛 Hyperion )
 |   |   `-- Astraeus ( 牡 1951 栗毛 Borealis )
 |-- Joan Haste ( 牝 1927 栗毛 Bachelor's Double )
 |   `-- First Off ( 牝 1935 栗毛 Hurry On )
 |   |   `-- Start Point ( 牝 1943 鹿毛 Lighthouse )
 `-- Joan Orpen ( 牝 1937 Orpen )
 |   `-- Sea Tide ( 牝 1944 黒鹿毛 Seabiscuit )
 |   |   `-- シーバーム Sea Balm [米] ( 牝 1950 栗毛 Fair Truckle )