| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sumptuous | chestnut | f | 1933 | Papyrus | Praline | Thoroughbred | Great Britain | |
| 3193 Sumrak | d.-bay | c | 1973 | 0652-4 Rodnik | 3080 Skachka | Thoroughbred | Novostavropolsk Stud | |
| 1988 Sumrak | bay | c | 1949 | 1917 Ex Szamuraj | 1280 Maribor | Thoroughbred | Onufrievsk Stud | |
| Sumrak | bay | c | 2012 | 643110000011304 | 0659-4 Mojgan | 3318-5 Sagahala | Thoroughbred | Stud-farm "Stavropolskiy 170" |
| Sun Again | chestnut | c | 1939 | Sun Teddy | Hug Again | Thoroughbred | USA | |
| Sun and Shade | bay | f | 1989 | Ajdal | Shadywood | Thoroughbred | Great Britain | |
| Sun and Snow | grey | f | 1972 | Hawaii | Alpine Peak | Thoroughbred | USA | |
| Sun Briar | bay | c | 1915 | Sundridge | Thoroughbred | France | ||
| 2549-4 Sun Case | bay | f | 2005 | 643098100039124 | 0307-3 Caitano | 1194-3 Suspense | Thoroughbred | Volgogradsk Stud |
| Sun Chariot | bay | f | 1939 | Hyperion | Clarence | Thoroughbred | Ireland |