Sima Jin

Tư Mã Cận

NAME
Chinese Name司马觐, 司馬覲, Sīmǎ Jìn
Other nameTư Mã Cận
Courtesy name思穆, 思穆, Sīmù, Si Mu, tự Tư Mục
INFORMATION
Born256
Birth PlaceWen County, Henei Commandery
Died290
FAMILY
Father
CAREER
AllegianceWestern Jin

Biography & Historical Record

Sima Jin (司马觐, Tư Mã Cận), courtesy name Simu (思穆), was an imperial prince and military officer of the Western Jin dynasty. He was the eldest son and successor of Sima Zhou (司马伷), Prince of Donghai and key commander in the conquest of Wu, and a grandson of Sima Yi (司马懿).

In 283 AD, Sima Jin inherited the peerage of Prince Gong of Langya (琅邪恭王). During the reign of Emperor Wu of Jin, he held senior appointments as General of the Household and General Who Pacifies the East. Most significantly, Sima Jin was the father of Sima Rui (司马睿), who later founded the Eastern Jin dynasty as Emperor Yuan of Jin, cementing Sima Jin’s place as the direct progenitor of the southern imperial dynasty.

Role in Romance of the Three Kingdoms

Chapter 120 (The imperial house of Sima): As the three kingdoms were bound beneath the banner of Jin, the scions of Sima Yi held sway over the grand fiefs, laying the imperial foundations for centuries to come.

Sima Jin — Historical & Literary Timeline

256 AD

Birth into Imperial Sima Clan

Born to Sima Zhou; grandson of Sima Yi.

283 AD

Prince of Langya

Inherits the Prince of Langya fief; commands imperial garrison detachments.

290 AD

Passing & Paternal Legacy

Passes away; his son Sima Rui succeeds to Langya and later becomes Emperor Yuan of Eastern Jin.

Key Relationships

Family

Friends / Allies

  • Western Jin Imperial Princes — Lords of the Sima royal house governing regional commands.

Enemies / Rivals

  • Court Conspirators — Rival princes during the early political rumblings of the Western Jin.

Other

  • Langya Gentry Elite — The powerful Wang and Zhuge families supporting his regional administration.

In Novel

Chapter 120 (The imperial lords of Jin)

  • Sima Jin (司马觐, Tư Mã Cận): Bearing the crimson seals of Langya, Prince Sima Jin ruled with royal dignity, an imperial pillar in the reunited realm.

Chapter 120 (Seeds of the Southern dynasty)

  • Sima Jin (司马觐, Tư Mã Cận): From the noble house of Langya sprang the golden branch that would guide the Chinese civilization across the great river in years to come.

In History

Summary

  • Sima Jin (司马觐), courtesy name Simu, was Prince Gong of Langya in Western Jin, son of Sima Zhou and father of Emperor Yuan of Jin.

Year: 283–290 AD

  • Held the Prince of Langya peerage and commanded regional military garrisons; posthumously honored when his son founded Eastern Jin.

Historical Record

  • Jin Shu, Vol. 38 (Biography of Sima Zhou and his sons): Records his succession, military ranks, and his lineage leading to Emperor Yuan of Jin.

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