司马衷 (司馬衷) sī mǎ zhōng

sī mǎ zhōng proper noun Si Ma Zhong; Emperor Hui of Jin
Domain: History 历史 , Subdomain: Western Jin , Concept: Emperor 皇帝
Notes: Lived 259－306, ruled 290－306; see 晋惠帝 (Wikipedia '晉惠帝')