Cao Ang (177-197), known as Zixiu, was the eldest son of Cao Cao, a native of Peiguo County, and was born to Liu, but his biological mother died early and was raised by the Ding family. Clever and modest, he was loved by Cao Cao, and at the age of twenty he was filial piety. "Book of the Later Han" records that in the second year of Jian'an (197), he went out with Cao Cao to fight against Zhang Xiu, and the army went to Wancheng, Zhang Xiu faked surrender, and then took advantage of the time when Cao's army celebrated, and suddenly sent troops to attack at night.

In the second year of Emperor Wen of Wei (221), he was posthumously named Feng Mourning Gong, and in the fifth year of Huang Chu (224), he was further posthumously named Feng Mourning King. In the third year of Taihe (229), he changed his name to King Fengchou.

Cao Ang, Zi Xiu. Cao Cao's eldest son, a native of Peiguo County. Born to his wife, Liu, but due to the early death of his biological mother, he was raised by the Ding family. Intelligent, bold and modest, Cao Cao was loved, and at the age of twenty he was filial piety.

In the second year of Jian'an (197), Cao Ang went with Cao Cao to fight against Zhang Xiu, Zhang Xiu surrendered, and Cao Cao accepted Zhang Ji's widow, Mrs. Zou, and Zhang Xiu hated Cao Cao. Cao Cao heard that Zhang Xiu was unhappy, so he secretly prepared to kill Zhang Xiu. As a result, the plan was leaked, Zhang Xiu attacked Cao Cao, Cao Cao was defeated, Cao Cao's mount was also killed in Wancheng because of Zhang Xiujun's ambush, Cao Ang gave Cao Cao the chance to survive, and took the initiative to give his mount and war horse to his father Cao Cao to escape, and protected his father on foot to get out of Wancheng, and the close guard Dian Wei was responsible for blocking the enemy after breaking off in order to block the gate of the village and let Cao Cao escape, and finally Cao Ang died in Wancheng with Dian Wei and Cao Anmin.

The adoptive mother, Mrs. Ding, wept bitterly when she learned that Cao Ang had died in battle, so she scolded Cao Cao: "You killed my son, and I have nothing to be nostalgic for from now on!" Mrs. Ding then returned to her hometown in anger. Later, Cao Cao personally went back to Mrs. Ding's hometown to find Mrs. Ding, stroked Mrs. Ding's back and said, let's take the car home together, okay. But Mrs. Ding was silent, Cao Cao walked to the door and asked, come back with me, okay? Mrs. Ding remained silent, and the relationship between the two was severed.

Later, Cao Cao was seriously ill and thought that his time was short, and sighed: "I have done things all my life, and I have no regrets." If there is still a spirit after death, how will I answer if Zixiu asks me where his mother is!"

As Mrs. Bian became the main family, the eldest son Cao Pi born to Mrs. Bian became the eldest son, and eventually inherited Cao Cao's Wei throne, and coerced Emperor Liu Xiechan of the Han Dynasty to give up the throne and establish Cao Wei on behalf of the Han Dynasty. It is reported that after Cao Pi ascended the throne and became emperor, he often said in front of the courtiers: "Brother Xiaolian, naturally he should inherit this position." If Cang Shu is still here, I can't be the emperor. “

In the second year of the early Huang dynasty (221), Cao Pi mourned Cao Ang and posthumously mourned the Duke of Feng.

In the third year of the early Huang dynasty (222), Cao Wan, the son of Cao Cao's deceased concubine Fan Angong Cao Jun, succeeded Cao Ang as his heir.

In the fifth year of the early Huang dynasty (224), Cao Ang was further posthumously crowned as the king of Feng Mourning. His nephew, Emperor Cao Rui of Wei Ming, succeeded to the throne of the emperor in the third year of Taihe (229).