The capture of British sailor John Turner by Zheng Yi 's pirates in 1806. Zheng Yi (1765-1807) was one of the most powerful Chinese pirates along the Chinese coast during the 19th century. He and his wife Ching Shih, a prostitute whom he fell in love with, captured Cheung Po Tsai who according to legend became her lover. Cheung was later adopted by them. After Cheng I died in 1807, Ching Shih took over the pirating business.