Sima You style name

Chinese style name

A Chinese style name, sometimes also known as a courtesy name , is a given name to be used later in life. After 20 years of age, the zì is assigned in place of one's given name as a symbol of adulthood and respect...

 Taiyou (大猷), was the second son of the 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...

 regent 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...

 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...

. Sima You became the heir to his uncle, 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...

, who at the time was childless. It is known that Sima You was a person of mild-mannered character who expected to be appointed emperor, but ended being passed over due to that of his young age. The heir that was chosen was Sima Zhao's oldest son Sima Yan, who established the Jin Dynasty

Jìn Dynasty (265-420)

The Jìn Dynasty , was a dynasty in Chinese history, lasting between the years 265 and 420 AD. There are two main divisions in the history of the Dynasty, the first being Western Jin and the second Eastern Jin...

 not too long later after his succession.

Sima You's son, Sima Jiong

Sima Jiong

Sima Jiong , courtesy name Jingzhi , formally Prince Wumin of Qi , was an Jin Dynasty imperial prince who briefly served as Emperor Hui's regent after overthrowing the usurper Sima Lun in 301...

, was one of the eight princes involved in the War of the Eight Princes

War of the Eight Princes

The War of the Eight Princes or Rebellion of the Eight Kings or Rebellion of the Eight Princes was a civil war for power among princes and dukes of the Chinese Jin Dynasty from AD 291 to AD 306. It was fought mostly in northern China and devastated the country, later triggering the Wu Hu ravaging...

during the Jin Dynasty.