Empress Bian, personal name unknown, was an empress of Cao Wei

Cao Wei

Cao Wei was one of the states that competed for control of China during the Three Kingdoms period. With the capital at Luoyang, the state was established by Cao Pi in 220, based upon the foundations that his father Cao Cao laid...

 during the Three Kingdoms

Three Kingdoms

The Three Kingdoms period was a period in Chinese history, part of an era of disunity called the "Six Dynasties" following immediately the loss of de facto power of the Han Dynasty rulers. In a strict academic sense it refers to the period between the foundation of the state of Wei in 220 and the...

 period of Chinese history

History of China

Chinese civilization originated in various regional centers along both the Yellow River and the Yangtze River valleys in the Neolithic era, but the Yellow River is said to be the Cradle of Chinese Civilization. With thousands of years of continuous history, China is one of the world's oldest...

. She was married to Cao Mao

Cao Mao

Cao Mao , formally known as the Duke of Gaogui, was the fourth emperor of the state of Cao Wei during the Three Kingdoms period of Chinese history. He was a grandson of Cao Wei's first emperor Cao Pi. Described as intelligent and studious, Cao Mao made repeated attempts to seize back state power...

, the fourth emperor of Cao Wei. Her father Bian Long (卞隆) was the grandson of Bian Bing (卞秉), a brother-in-law of Cao Mao's great-grandfather, Cao Cao

Cao Cao

Cao Cao was a warlord and the penultimate chancellor of the Eastern Han Dynasty who rose to great power during the dynasty's final years. As one of the central figures of the Three Kingdoms period, he laid the foundations for what was to become the state of Cao Wei and was posthumously titled...

 and a brother of Empress Dowager Bian

Empress Dowager Bian

Empress Dowager Bian , personal name unknown, formally known as Empress Wuxuan , was an empress dowager of Cao Wei during the Three Kingdoms period of Chinese history...

.

Cao Mao married Empress Bian in 255, when he was 14. Her age was not known. There was no further records of her activities, as her husband was himself under the tight control of Sima Shi

Sima Shi

Sima Shi , style name Ziyuan , was a military general and regent of Cao Wei during the Three Kingdoms era of Chinese history. In 249, he assisted his father Sima Yi in overthrowing the emperor Cao Fang's regent Cao Shuang, allowing the Sima family to become paramount authority in the state, and he...

 and then Sima Zhao

Sima Zhao

Sima Zhao was a military general, politician and regent of the state of Cao Wei during the Three Kingdoms period of Chinese history...

. It is also not known what happened to her after Cao Mao made a failed coup attempt against Sima Zhao and was killed in the attempt.