司馬倫
As Sima Yi's ninth and youngest son, Sima Lun held a number of minor titles during the Cao Wei regencies of his father and his brothers Sima Shi and Sima Zhao. Around 250, he was enfeoffed as Marquis of Anle Village, and when Sima Zhao established the Five Feudal Ranks of Zhou in 264, his fief was changed to Viscount of Dong'an, and he was designated Remonstrating and Consulting Grandee.