| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Summer Mood | bay | f | 1981 | Raja Baba | Fairly Regal | Thoroughbred | Canada | |
| Summer Passage | d.-bay | f | 2017 | Mineshaft | Summer Applause | Thoroughbred | USA | |
| Summer Poin | f | 1964 | Summer Tan | Point Count | Thoroughbred | USA | ||
| Summer Queen | chestnut | f | 2002 | Summer Squall | Queen Inca | Thoroughbred | USA | |
| Summer Rainbow | chestnut | f | 2001 | Summer Squall | Plucky Maid | Thoroughbred | USA | |
| Summer Romance | d.-bay | f | 1980 | Cutlass | Time to Remember | Thoroughbred | USA | |
| Summer Run | bay | f | 1985 | Sharpen Up | Summer Fling | Thoroughbred | USA | |
| Summer Scandal | chestnut | f | 1962 | Summer Tan | Go-Modern | Thoroughbred | USA | |
| 7530-1 Summer School | bay | f | 1989 | 643098100043273 | Sure Blade | Sumara | Thoroughbred | Great Britain |
| Summer Song | bay | f | 2005 | Sunday Break | Lost Expectations | Thoroughbred | USA |