UM RAJA c. 1993
OCEAN FALLS (IRE) - LIBELA (BRZ), by DEREK (BRZ)

UMA BRASA (BRZ) f. 1993
ITAJARA (BRZ) - LITTLE PRINCESS (BRZ), by FIGURON (CHI)

UMBA (BRZ) f. 1926
NOVELTY (USA) - OUSADA (BRZ), by MABOUL (FR)

UMBAUBA (BRZ) f. 1955
BLACKAMOOR (ARG) - LENTEJOULA (BRZ), by SINGAPORE (GB)

UMBELLA (BRZ) f. 0000
UMBERTO (---) - CARROZA (---), by

UMBERTO c. 0000
- , by

UMIDWAR c. 1931
BLANDFORD (IRE) - UGANDA (GB), by

UN DESPERADO (FR) c. 1983
TOP VILLE (IRE) - WHITE LIGHTNING (FR), by BALDRIC (USA)

UN ETENDARD (USA) c. 1979
BLUSHING GROOM (FR) - GALOUBINKA (FR), by TAMERLANE (GB)

UN'ALTRA ZUCA (BRZ) f. 2008
KNOW HEIGHTS (IRE) - MAGIC ACADEMY (BRZ), by FAST GOLD (USA)