Zheng Zhu

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Zheng Zhu (鄭注; died December 18, 835^[1][2]), probably né Yu Zhu (魚注), was an official of the Chinese Tang dynasty. He became a trusted advisor to Emperor Wenzong due to treatments he provided Emperor Wenzong for the emperor's illnesses, and thereafter plotted with Emperor Wenzong and Li Xun to slaughter the powerful eunuchs. However, after the plot (later known as the Ganlu Incident) failed, Li Xun and he were both killed, along with many other officials that the eunuchs suspected of being complicit.