| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Trefa | bay | f | 1992 | 3470-1 Faton | 6407 Tema | Thoroughbred | Zaria Farm | |
| 3533 Trefa | br. | f | 1962 | 2996 Faktotum | 3090 Tematika | Thoroughbred | Voskhod Stud | |
| Trefa 2 | chestnut | f | 1914 | Thoroughbred | ||||
| Trefi | chestnut | f | 2003 | 0206-2 Elgar | 10029 Teya | Thoroughbred | Rogovskaia Farm | |
| Trefshaer | bay | c | 1998 | 3989 Dansing | 0718-2 Terra | Thoroughbred | Kamennobalkovskoe Farm | |
| Tregaron | chestnut | f | 1914 | Tredennis | Thoroughbred | Ireland | ||
| Treize | bay | f | 1992 | Alysheba | Treizieme | Thoroughbred | USA | |
| Treizieme | chestnut | f | 1981 | The Minstrel | Belle Pensee | Thoroughbred | USA | |
| Trek | d.-bay | c | 1987 | 0002-2 Bomon | 5893 Tanga | Thoroughbred | Beslansk Stud | |
| Trek | bay | c | 1986 | 3203-1 Elfast | 4846 Terragona | Thoroughbred | Labinsk Stud |