Emperor Kang of Jindesignated Sima Yue the Prince of Langya, despite the other top official He Chong (何充)'s opposition. He died soon after, and Sima Yue took the throne as Emperor
He Chong (Jin dynasty)97 (帝疾篤,庾冰、庾翼欲立會稽王昱為嗣;中書監何充建議立皇子聃,帝從之。九月,丙申,立聃為皇太子。戊戌,帝崩於式乾殿。己亥,何充以遺旨奉太子即位,大赦。由是冰、翼深恨充。尊皇后褚氏為皇太后。時穆帝方二歲,太后臨朝稱制。何充加中書監,錄尚書事。充自陳既錄尚書,不宜復監中書;許之,復加侍中。) Zizhi
Emperor Ai of Jin342, Emperor Cheng grew ill. The common succession protocol, as He Chong (何充) pointed out, would mean that his oldest son would succeed to the throne,
Emperor Mu of Jin but Emperor Kang accepted the advice of another key official, He Chong (何充), and decided to pass the throne to Sima Dan despite his young age. (He Chong
Emperor Cheng of Jindied in the fall of that year, and was succeeded by his assistant He Chong (何充) and Yu Liang's younger brother Yu Bing. Emperor Cheng let He and Yu Bing