| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sintis 17 | d.-bay | c | 2000 | 148 Nowator 60 | 2307 Soologija 68 | Trakehner | "Kirovsky konny zavod" | |
| 798 Sinus | c | 571 Sudan | 365 Samoswanka | Akhal-Teke pureblood | ||||
| Sinuss | d.-bay | c | 1986 | Sidrabs L1136 | Svira | Latvian Warmblut | ||
| Sion | bay | c | 1984 | Sultan 279 | Tarantella 24085 | gollandskaya teplokrovnaya | Netherlands | |
| Sioux | c | 1959 | Westfalische | Germany | ||||
| Sioux 068 572 R-CSF | c | 1972 | Grand Veneur | Lady de Baugy | frantsuzkaya verkhovaya | |||
| Sioux De Baugy | bay | c | 1984 | frantsuzkaya verkhovaya | France | |||
| Sipaj | bay | c | 1998 | 3864 Sur | 1526 Pesa 88 | Trakehner | Slynskij, ks | |
| Sipay | bay | c | 1949 | 41 Sewer 56 | Passivnaya 53 | Trakehner | "Kirovsky konny zavod" | |
| Sippe | f | Tschara | Hannoveraner |