| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sybelle | f | Holsteiner | ||||||
| Sybille | f | 1873 | J.Solide | vostochno-prusskaya | ||||
| Sybille | f | 1959 | Schwerin | Doris | Westfalische | Germany | ||
| Sybkaja | chestnut | f | 1981 | 0404 Sasor 266 | 3979 Biserowka 67 | donskaya | ||
| Sybkaja | chestnut | f | 1985 | Saskok | Batashnaja | Latvian Warmblut | ||
| Sydney | black | c | 2017 | Erserum | 2911 SokotRa 17 | Trakehner | Lebedeva Tatyana | |
| Syeda | f | 1972 | 3102 Slesch | Dunure V-4, hung | vengerskaya | |||
| Syent Emilon | chest(m b grey) | c | 2012 | 24 Highlander 5 | Mersi | Hannoveraner | Fedorova Olga Vladimirovna | |
| Syent Gyel | grey | f | 2006 | Sent Boj | Ganna | trakenenskaya pomes | DYUSSh | |
| Syezar | d.-bay | c | 2011 | Scandic | Zambyerina (Zamberina) | Westfalische | Gestut Dowator (RZOP KS i K) |