任圜
It is not known when Ren Huan was born, but it was known that his family was originally from Sanyuan (三原, in modern Xianyang, Shaanxi). His grandfather Ren Qing (任清) served as a deputy mayor of Chengdu. His father Ren Maohong (任茂宏), in order to avoid late-Tang Dynasty wars that engulfed the region, fled to Taiyuan, then under the rule of the major warlord Li Keyong the military governor ("Jiedushi") of Hedong Circuit (河東, headquartered in modern Taiyuan). Li Keyong recommended him as the magistrate of Xihe County (西河, in modern Linfen, Shanxi).