| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Umelitsa | grey | f | 2016 | 11785 Laplandets | 22330 Usmeshka | Orlov trotter | ch/v Lebedev Iu.B. Moskovskaia | |
| 18332 Umerennaya | grey | f | 1983 | 10094 Mgnovennyy | 16226 Ulybka | Orlov trotter | sh."Krasnoslavianskii" Kochene | |
| Umilnaya | f | Usan | Postoyannaya | Orlov trotter | ||||
| 10459 Umilnaya | grey | f | 1950 | 2132 Ulov | 3961 Lomja | Orlov trotter | Khrenovskoy Stud | |
| Umilnaya Ulybka | bay | f | 1969 | 7153 Uspeh | 10459 Umilnaya | Orlov trotter | Khrenovskoy Stud | |
| 10460 Umilnaya Ulybka | grey | f | 1944 | 2132 Ulov | 4740 Ulybka 2 | Orlov trotter | Khrenovskoy Stud | |
| 22328 Umira | grey | f | 2006 | 11034 Rubin | 19776 Ufimka 96 | Orlov trotter | KFH "Glava Apletov A.V." Voronej Region | |
| Umka | grey | f | 1986 | 10417 Kedrach | 16975 Uraza | Orlov trotter | Shahovskoy konzavod | |
| Umnaya | bay | f | 1989 | 010511 Mirnyy | 20593 Ulovistaya | Trotter | sh "Deevskii" Sverdlovskaia ob | |
| Umnik | bay | c | 1986 | 9989 Irak | 16232 Upornaya | Orlov trotter | kh. im. Kirova Veshkaimskogo r |