司马衍 (司馬衍) sī mǎ Yǎn

sī mǎ Yǎn proper noun Si Ma Yan; Emperor Cheng of Jin
Domain: History 历史 , Subdomain: China , Concept: Emperor 皇帝
Notes: (Lived 321－342, ruled 325－342) personal name of the third ruler of the Eastern Jin