Yao Zhen was born in 1915.
Yinsheng Yao has written: 'Zeng tu bian zuan Zhen jiu yi an'
Tang Zhen died in 1704.
Ou Zhen died in 1969.
Cao Zhen died in 231.
Hun Zhen died in 800.
Wu Zhen died in 1354.
Yuan Zhen died in 831.
Zhu Zhen died in 923.
Shang Zhen died in 1978.
Sun Zhen died in 1985.
Peng Zhen died on 1997-04-26.