During the Sui dynasty in the late sixth century, they were transferred from Yedou to the Sui capital at Changan.
在六世纪晚期的隋朝年间,他们被从邺都转移到首都长安。
英语百科
Sui dynasty 隋朝
The Sui dynasty (Chinese:隋朝; pinyin:Suí cháo) was a short-lived imperial dynasty of China of pivotal significance. The Sui unified the Northern and Southern dynasties and reinstalled the rule of ethnic Han Chinese in the entire China proper, along with sinicization of former nomadic ethnic minorities within its territory. It was succeeded by the Tang dynasty, which largely inherited its foundation.