| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Summer Fling | bay | f | 1975 | Nijinsky II | Fast Approach | Thoroughbred | USA | |
| Summer Fling | d.-bay | f | 2015 | Shanghai Bobby | Summer Song | Thoroughbred | USA | |
| Summer Front | bay | c | 2009 | War Front | Rose of Summer | Thoroughbred | USA | |
| Summer Green | bay | c | 2021 | 643090000484851 | 1581-7 Grin Rok | 2549-4 Sun Case | Thoroughbred | Mr. Dzhatdoev N.M. |
| Summer Guest | chestnut | f | 1969 | Native Charger | Cee Zee | Thoroughbred | USA | |
| Summer Hut | chestnut | f | 1960 | Summer Tan | Little Hut | Thoroughbred | USA | |
| Summer Legend | chestnut | f | 1973 | Raise a Native | Scotch Verdict | Thoroughbred | USA | |
| Summer Mark | bay | f | 1963 | Summer Tan | Mrs. Mark | Thoroughbred | USA | |
| Summer Melody | d.-bay | f | 2003 | War Chant | Summertime Showers | Thoroughbred | USA | |
| Summer Memories | bay | f | 2000 | Tale of the Cat | Basking | Thoroughbred | USA |