Ma Su
The second one suggested that Chen Shou held personal grudges against the Shu chancellor Zhuge Liang and his son Zhuge Zhan, hence he wrote negative comments about them in the "Sanguozhi". Chen Shou's father was a military adviser to the Shu general Ma Su. When Ma Su was executed by Zhuge Liang after his failure at the Battle of Jieting in 228, Chen Shou's father was implicated and sentenced to "kun" (髡), a punishment involving the shaving of a person's head. Zhuge Zhan belittled Chen Shou before. When Chen Shou wrote the biographies of Zhuge Liang and Zhuge Zhan in the "Sanguozhi", he commented on them as follows: Military leadership was not Zhuge Liang's forte, and he lacked the resourcefulness of a brilliant military leader; Zhuge Zhan excelled only in literary arts, and he had an exaggerated reputation.