Summer Time (牝 1937 黒鹿毛 Bull Dog)
 |-- Big Harvest (牝 1943 黒鹿毛 Reaping Reward)
 |   `-- Oil Princess (牝 1949 黒鹿毛 Errard)
 |       |-- Oil Rich (牝 1955 黒鹿毛 Phalanx)
 |       |-- Princess Diane (牝 1957 Phalanx)
 |       |-- Oil Royalty (牝 1958 鹿毛 Greek Song)
 |       |-- Strike Oil (牝 1959 黒鹿毛 Prince John)
 |       `-- Rich Royalty (牝 1960 鹿毛 Prince John)
 |-- Easy Living (牝 1944 黒鹿毛 Heliopolis)
 |   |-- Tides Out (牝 1950 鹿毛 Shut Out)
 |   |   `-- Tides In (牝 1962 鹿毛 Traffic Judge)
 |   |-- Save Time (牝 1952 鹿毛 War Admiral)
 |   |   |-- Dorothy Glynn (牝 1966 鹿毛 Northern Dancer)
 |   |   `-- Jungle Dance (牝 1968 鹿毛 Graustark)
 |   `-- Royal Living (牡 1955 鹿毛 Hill Prince)
 `-- Lance (牡 1954 鹿毛 Blenheim)