| Namn | Licens | Födelseår | Far | Mor | Morfar |
|---|---|---|---|---|---|
| Yman | 200878 | 1995 | Guinness | Yvette (47) | Favorit |
| Yman B | 956057 | 1984 | Fiyver Hannover | Rita Lill B | Smart Yankee |
| Ymer | 968073 | 1989 | Cerat | Stega | Valör |
| Ymer | 943110 | 1989 | Ciceron | Yvette | Favorit |
| Ymer | 954391 | 1990 | Little Boy | Konterfej | Koncerz |
| Ymer | 8465 | 1977 | Smedje | Ylva | Laban |
| Ymer | 225591 | 1997 | Kestrel | Iron Jacki | Bassora |
| Ymil | 963392 | 1991 | Flagg | Emila | Källtorps Emil |
| Ymir v st Rodichem | 8465 | 1964 | President of Marsh | Patricia v st Rod | Spotlight of Mar |
| Ympiran | 8185 | 1984 | Riffiran | Ymp | |
| Yngve | 3372 | 1982 | Racot | Violette | Vagabond |
| Yngve | 200935 | 1994 | Palermo | Yvette (47) | Favorit |
| Ynysgerwyn Brenin Rhodri | 252688 | 2000 | Newydd Lloyd | Tirclyn Sparkler | Nebo Daniel |
| Ynysgerwyn Brenin Rhodri | 234029 | 2000 | Newydd Lloyd | Tirclyn Sparkles | Nebo Brenin |
| Ynysygarth Tomos | 237779 | 1994 | Thomegside the Fox | Ynysygarth Seven | Ebbw Viktor |
| Yocelin | 90778 | 1975 | |||
| Yochi | 226844 | 1999 | Rasputin 449 | Jennica | Komet 338 |
| Yock | 36400 | 1982 | Ambassadeur | Farina | Hertigen |
| Yoda | 247815 | 2002 | Falleur | Corn N´Oil xx | Anax xx |
| Yoga | 3659 | 1984 | Eminent | Bonita | Cyrano |
| Yoga | 900081 | 1976 | Parnass | Jeanette | Polarstern |
| Yoghurt | 955778 | 1986 | Jasper | Dominique | Moderne |
| Yoghurt | 258322 | 1997 | |||
| Yogi | 371 | 1974 | Gibraltar | Turina | Jovial |
| Yogi B | 954660 | 1990 | Napoleon | Karita | Karlsdal |
| Yoko Ono | 968293 | 1990 | Norson | Solomi | Magnifique |
| Yolanda | 224583 | 1993 | |||
| Yolanda | 240466 | 2000 | Cortez | Samone | Paroll |
| Yolanda | 232525 | 1997 | Landlord | Yambalaya | Lambert |
| Yom Kippur | 8885 | 1982 | Elizar | Suzie | Lohengrin |