Tufa Rutan
Eventually , Tufa Rutan was forced to surrender to Western Qin in 414 after Western Qin captured his capital Ledu ( 樂都 , in modern Haidong Prefecture , Qinghai ) , and he was poisoned to death a year later . 
<triplet> Haidong Prefecture <subj> Qinghai <obj> located in the administrative territorial entity <triplet> Qinghai <subj> Haidong Prefecture <obj> contains administrative territorial entity