Wang Shuwen
He was a close associate of Emperor Shunzong ( Li Song ) while Li Song was crown prince under his father Emperor Dezong , and was powerful during Emperor Shunzong's brief reign in 805 , when Emperor Shunzong was severely ill . 
<triplet> Emperor Shunzong <subj> Emperor Dezong <obj> father <triplet> Emperor Dezong <subj> Emperor Shunzong <obj> child <subj> crown prince <obj> position held