XAMARIE f. 1928
SIN RUMBO (ARG) - SARRASINE (FR), by SARDANAPALE (FR)

XANGO (BRZ) c. 1928
SIN RUMBO (ARG) - IRIDIA (BRZ), by ZIMPANET (FR)

XANGODEBANKERSTREET (BRZ) c. 2007
MUSIC PROSPECTOR (USA) - NAKED (BRZ), by GRIMALDI (BRZ)

XANTRAILLES (BRZ) c. 9999
- , by

XASCO c. 1956
- , by

XAVECO (BRZ) c. 1955
SAYANI (FR) - ROUSSETTE (GB), by BOIS ROUSSEL (FR)

XAVIER (BRZ) c. 1928
TOMY II (FR) - NADINE (ARG), by POLAR STAR (GB)

XENDAVAL (ARG) f. 1997
CHICMOND (USA) - JUMBASHLEEN (ARG), by DARK BROWN (BRZ)

XENDI (BRZ) f. 1928
THERMOGENE (GB) - QUEIXADA (BRZ), by SIN RUMBO (ARG)

XENON (BRZ) c. 1928
SIN RUMBO (ARG) - OLIVENZA (GB), by LOUVOIS (GB)