| Namn | Licens | Födelseår | Far | Mor | Morfar |
|---|---|---|---|---|---|
| United | 248983 | 2001 | Orame | Jastia | Creool |
| United Colours | 987153 | 1992 | Pluspunkt | Erle | Exponent |
| United Colours | 248931 | 2001 | |||
| Unitron | 231593 | 2001 | Indoctro | Kaminka | Emilion |
| Unity | 216002 | 1997 | Cockpit | Unicorn | Leuthen |
| Unity | 234418 | 2001 | No Limit | Ereuza | Akteur |
| Unity | 249747 | 2000 | Campari | Ulme | Conrado |
| Unitza | 985650 | 1994 | Underworld xx | Gulltrav | Gassendi |
| Univers | 246144 | 2001 | Havidoff | Keronique | Aram |
| Univers Des Roches | 9177 | 1982 | |||
| Universe | 254052 | 2001 | Baloubet du Rouet | Prima Donna | Jimtown |
| Universe V | 240386 | 2001 | Let´s Go | Mariella | Acord II |
| Universum | 1941 | Eros | Ursi | Umsturz | |
| Unizar | 955718 | 1989 | Elizar | Unette | Partisan |
| Unkas | |||||
| Unlimited | 229314 | 1997 | Camus | Hymke | Romeo |
| Unlimited | 234717 | 2001 | No Limit | Pride Patrichta | Burggraaf |
| Unlimited | 238371 | 2001 | No limit | Bianca | Principal |
| Unni | 967173 | 1991 | Milano | Stancie | Stanford |
| Unni | 224432 | 1993 | Möllegaards Orion Surprise | Bonita | |
| Unni Moor | 961002 | 1991 | Columbus xx | Penny Moor | Freimoor |
| Unnix | 200116 | 1981 | Nixen | Unny | Spiltagutt |
| Uno | 3280 | 1973 | Unesco | Korea | Corso |
| Uno | 8608 | 1982 | Hertigen | Miss Voleur | Queens Proctor |
| Uno | 31670 | 1983 | Urbino | Tonny | Toreador |
| Uno | 943420 | 1989 | Urbino | Alma | Anart |
| Uno | 229904 | 1999 | Chess | Isa xx | Bold Irish xx |
| Uno | 234947 | 2001 | Navarone | Ninke | Hattrick |
| Uno | 242799 | 2001 | Harcos | Laila | Edison |
| Uno | 11093 | 1987 | Intrig | Karolina | Marino |