Wusun
State · 170 BCE – 450 CE · at its largest around 66 BCE
Nomadic people of the Ili valley and northern Tian Shan, who became allies of the Han dynasty against the Xiongnu, sealed by marriages with Han princesses.
On its lands while it lasted
- Saka (c. 700 BCE – c. 100 CE): Iranian-speaking nomadic peoples of the Eurasian steppe, related to the Scythians, who later migrated into Bactria and north-western India.
More on Wikipedia.