Zheng Yin (Middle Tang)

Zheng Yin (鄭絪) (752 – December 3, 829), courtesy name Wenming (文明), was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Xianzong.

Zheng Yin was born in 752, during the reign of Emperor Xuanzong. His family claimed ancestry from the ducal house of the Spring and Autumn period state Zheng, and it traced its ancestry to a line of officials of Han Dynasty, Jin Dynasty (265-420), Han Zhao or Later Zhao, Former Yan or Later Yan, Northern Wei, and Tang Dynasty. HIs grandfather Zheng Miao (鄭杳) served as a county secretary general, and his father Zheng Xian (鄭羨) served as a prefectural prefect.

Zheng Yin was ambitious in his youth, and was said to be ambitious and capable in writing. During the Dali era (766-779) of Emperor Xuanzong's grandson Emperor Daizong, it was said that he was respected by such well-known Confucian scholars as Zhang Can (張參), Jiang Ai (蔣乂), Yang Wan, and Chang Gun. After he passed the imperial examinations and further passed a special examination for grand speech, he was initially made Xiaoshu Lang (校書郎), a scribe at the Palace Library, and later the sheriff of Hu County (鄠縣), near the capital Chang'an. He was the first emperor.

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