| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 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 | |
| Summer Sonnet | grey | f | 1991 | Baillamont | Noesis | Thoroughbred | Great Britain | |
| Summer Squall | bay | c | 1987 | Storm Bird | Weekend Surprise | Thoroughbred | USA | |
| Summer Star | grey | f | 2000 | Siberian Summer | Candi's Star | Thoroughbred | USA | |
| Summer Sweetheart | bay | f | 1995 | Honor Grades | Summer Romance | Thoroughbred | USA |