| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sydenham Ollianda 78054 | black | f | 1985 | Hewid Cardi 8336 GB | Hewid Sheila 34978 | uelskiy poni, sektsiya D | Great Britain | |
| Sydenham Solomon 32327 | black | c | 1989 | Gwenllan Brenin Mon 26632 | Sydenham Ollianda 78054 | uelskiy poni, sektsiya D | Great Britain | |
| Syebastyana | sk. (br. wh.) | f | 2012 | 222 Simba | 535 Ejka | Shetland Pony | Beliavceva S.V. | |
| Syekryet | piebald | c | 2012 | 118 Raut | 605 Skarlet | Shetland Pony | Prilepskii k/z | |
| Syekryet | grey | c | 2013 | 0264 Kyeks | 0533 Snyezhinka | tip poni | Karpova Natalya Vladimirovna | |
| Syelyena | chestnut | f | 1989 | tip poni | Latvia | |||
| Syelyena | palom. | f | 1998 | bashkirskaya | Teplitschnyj | |||
| Syemka | d.-bay | c | 2013 | 222 Simba | 535 Ejka | Shetland Pony | Beliavceva S.V. | |
| Syenka | black | c | 1998 | 147 Oazis | 235 Dymnaia (Skazka) | Shetland Pony | Sheremetevskii detskii dom | |
| Syeryebryanyy Dozhd | bay | c | 2012 | 057 Diabolo | 0162 Sally 372 | sportivnyy poni | Kuznyetsova Natalya Anatolyevna |