Cao Fang
In 239, following Cao Rui's death, his adopted son Cao Fang succeeded him as the next emperor of Wei. After his coronation, Cao Fang reassigned Jiang Ji to serve as General Who Leads the Army () and enfeoffed him as the Marquis of Changling Village (). On 1 September 242, he promoted Jiang Ji to the position of Grand Commandant () to replace Man Chong, who died some months earlier.