The Sarmatians where a Indo-European people, who lived a nomadic lifestyle on the Eurasian steppes from around the 7th century BC.  They where known for being master horsemen and warriors. Greece and Rome fought great wars with the Sarmatians. Some of their tribes skilled warrior women, gave rise to the legends of the Amazons. https://www.ancient-origins.net/ancient-places-asia/sarmatians-0013985