Region Code All. Cao Zhi (AD192-232) was the younger brother of Cao Pi (AD187-226), the ruler of the Kingdom of Wei during the Three Kingdoms period of China. He was a respected poet, and Ode to the Goddess of Luo River was his most revered work. Cao Zhi fell in love with Zhen Mi, a beautiful and charming daughter of a high ranking official. However, her father arranged her marriage to the son of another kingdom. After a feud, Zhen Mi ended up having to marry Cao Zhi's brother. She commited suicide by jumping into the Luo River. Cao Zhi composed the poem, describing how he fell in love with, and was forced to leave the goddess, and the divergence of the living and the dead.