he died 1433
Junli Zheng died on April 23, 1969.
Zheng Zhilong died in 1661.
Zheng Shiqi died in 1935.
Zheng Wenguang died in 2003.
Zheng Yunduan died in 1356.
Zheng Xunyu died in 805.
Zheng Zhong died in 107.
Zheng Congdang died in 887.
Fa Zheng died in 220.
Wei Zheng died in 643.
Zheng Changtu died in 887.
Zheng Xiaocang died in 1979.