What is "yishan"

Yishan may refer to:

• Yishan (Manchu official) (奕山; ? – 1878), an official during the Qing dynasty
• Yishan Yining (一山 一寧; 1247–1317), a Zen master

Yishan ( Manchu: I Šan; 13 June 1790 – 30 June 1878), courtesy name Jingxuan, was a Manchu lesser noble and official of the Qing dynasty. He is best known for his failure to defend Guangzhou (Canton) from British forces during the First Opium War, and for signing the treaties of Kulja and Aigun with the Russian Empire in 1851 and 1858 respectively.