Qianling Mausoleum
This includes Emperor Gaozong ( 649–83 ) , as well as his wife , Wu Zetian , who assumed the Tang throne and became China's only reigning female emperor from 690–705 . 
<triplet> Emperor Gaozong <subj> Wu Zetian <obj> spouse <triplet> Wu Zetian <subj> Emperor Gaozong <obj> spouse