Besides his heritage, Sima Wei was best known for being one of a few people (possibly the only one) to be requested for execution by Emperor Hui of Jin.
He dispatched Sima Wei to force Emperor Hui to relinquish the imperial seal.
By late April or early May 301, the situation for Lun gradually worsened as Sima Ying won the Battle of Huangqiao and crossed the Yellow River to approach Luoyang.
Sun only moved to the office of the Masters of Writing after Sima Wei called him to discuss strategy.
[11] After his restoration to the throne, Emperor Hui said, "A-Pi broke my fingers, and stole my seal; he must be killed."