Zheng Xunyu was born in 738.
Zheng Yunduan died in 1356.
Fa Zheng died in 220.
Zheng Zhong died in 107.
Zheng Changtu died in 887.
Wei Zheng died in 643.
Zheng Tian died in 883.
Zheng Xuan died in 200.
Zheng Shiqi died in 1935.
Zheng Yuqing died in 821.
Zheng Zhenduo died in 1958.
Zheng Zhilong died in 1661.