Narsieh (Middle Persian: 𐭭𐭥𐭮𐭧𐭩 Narseh; simplified Chinese: 泥涅师; traditional Chinese: 泥涅師; pinyin: Nìnièshī) was a Persian general who fled to the Tang dynasty with his father Peroz III, son of Yazdegerd III, the last Sassanid emperor of Persia, after the Muslim conquest of Persia.
He was escorted back to Persia with a Chinese army led by Pei Xingjian in 679, in order to restore him to the Sasanian throne, but the army stopped in Tokharistan. Pei Xingjian fought successfully against an invasion of Anxi led by the Western Turkic Khan Ashina Duzhi, but Pei then lost his interests in reinstalling the Persian King and left Narsieh in the Anxi Protectorate alone, although Narsieh was still able to maintain his many servants and a high quality of life. Minor Turkic chieftains in the region then pledged their loyalty to the Chinese dynasty due to the defeat of Ashina. The overall result of Pei's expedition was a success for the Tang empire. Upon returning to China, Pei was appointed the minister of rituals and Great general of the right flank guards.
Narsieh then spent the next twenty years fighting the Arabs in Tokharistan until he returned to the Tang China capital of Chang'an in 707, where he lived out the remainder of his life before dying from disease. His sons and daughters married into the Chinese nobility.
Narsieh's uncle Bahram VII died in 710, and Bahram's son Khosrow was mentioned fighting alongside Sogdians and Turks against the Arabs at the siege of Kamarja in 729 in a futile attempt to reclaim the Sasanian throne. This is perhaps the last known reference to any direct descendant of Yazdegerd III.
- Compareti, Matteo (20 July 2009). "Chinese-Iranian Relations xv. The Last Sasanians in China". Encyclopædia Iranica. Retrieved 1 July 2017.
- Zhou, Xiuqin (University of Pennsylvania) (2009). "Zhaoling: The Mausoleum of Emperor Tang Taizong" (PDF). Sino-Platonic Papers (187): 155–156.
- Wong, Frank (11 August 2000). "Pirooz in China: Defeated Persian army takes refuge". The Iranian. Archived from the original on 25 March 2019. Retrieved 25 March 2019.
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Reason for succession failure:
Islamic conquest of Persia