Cheung Po Tsai was a Chinese navy colonel and a former pirate. "Cheung Po Tsai" literally means "Cheung Po the Kid". He was known to the Portuguese Navy as Quan Apon Chay during the Battle of the Tige
Shi Yang also known as Zheng Yi Sao, Shi Xianggu, Shek Yeung, Quing Shi, and Ching Shih, was a Chinese pirate leader active in the South China Sea from 1801 to 1810.
Cheung Po Tsai
…His natural talent helped him adapt to his unplanned new career and he rose through the ranks swiftly. Cheung Po Tsai was later adopted by Cheng I and Ching I Sao (Chinese: 鄭一嫂); "wife of Cheng I"; married 1801) as their step-son, making him Cheng's legal heir. Cheung Po Tsai's piracy mate and lieutenant was Cai…
Zheng Yi Sao in an 1836 illustration
Cheung Po Tsai's pirates fighting the Chinese ships at the battle off Ladrone Islands c. 1808.