QUOTE(Kulong @ Feb 20 2005, 10:26 AM)
As others have mentioned before, those ethnic groups were the direct ancestors or were assimilated into other ethnic groups. Just because they disappeared it doesn't mean they were Sinicized.
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Truely right. That is what I want to say.
QUOTE(Yun @ Feb 19 2005, 03:06 PM)
Actually the Jie were only a group of Sogdians, and the Sogdians remained prominent on the Silk Road well into the Tang dynasty.
Xiongnu were Turkic, not Mongol. The Mongols are probably descended from the Mengwu Shiwei, a branch of the Xianbei/Donghu. The Khitan are also a branch of Donghu.
I have no idea about Jie's origin, except the steppe between the Black Sea and the Caucasia that the place they were from.
Jie was a mixture from various ethnical groups (胡/Hu) in Xi Yu (西域, west territory), said by Tang Changru (唐长孺), judging by Jie's feature, custom of funeral, religion and family name, etc. (《魏晋杂胡考》,《魏晋南北朝史论丛》, Page 414). And obviously, Jie in Gansu as an ethnical group were influenced much by Xiong Nu on the custom and culture.