Empress Zhen - Cao Fang - died in 251.
Cao Fang was born in 232.
Zixi. Cao has written: 'Zhongguo xian dai fang zhi xue'
The cast of Tian ya fang cao - 1966 includes: Bun Lam Oi Lan Man Hong Nan
Sang Shang has written: 'Fang cao you yue'
Cao Huan died in 302.
Cao Zhibai died in 1355.
Cao Mao died in 260.
Cao Ren died in 223.
Cao Xiu died in 228.
Cao Xun died in 244.
Cao Zhi died in 232.