Cao Fang sent Wei Dan () as an emissary to meet Sima Yi at Wuchi () and congratulate him on his success in suppressing Wang Ling's rebellion. Later, when Sima Yi reached Gancheng, Cao Fang sent Yu Ni () as an emissary to appoint Sima Yi as Chancellor of State () and promote him from a marquis to a duke under the title "Duke of Anping Commandery". One of Sima Yi's grandsons and one of his brothers were also enfeoffed as marquises. At the time, the Sima family had a total of 19 marquises and 50,000 taxable households in all their marquisates combined. Sima Yi declined the appointment of Chancellor of State and refused to accept his enfeoffment as a duke.