tribes in southeastern Mongolian Plateau, but in the mid-15th century they migrated to western Mongolian Plateau to become an ally of the Oirats to counter the military power in central Mongolian Plateau. Their ruling family Galwas was the Hasarid-Khorchins who were deported by the Western Mongols.

The Khoshuts first appeared in the 1580s and by the 1620s were the most powerful Oirat tribe. They led others in converting