Xu Jingzong
Allied with Emperor Gaozong's wife , Empress Wu ( later known as Wu Zetian ) , Xu Jingzong was exceedingly powerful and effective throughout most of Gaozong's reign , by order of Empress Wu , he played a major role in the eliminations of the opposition chancellors her , between years 657 to 659 and 665 . 
<triplet> Emperor Gaozong <subj> Empress Wu <obj> spouse <triplet> Empress Wu <subj> Emperor Gaozong <obj> spouse <subj> Gaozong <obj> spouse <triplet> Gaozong <subj> Empress Wu <obj> spouse