Li Chengqi
...that despite his never having been emperor, Li Chengqi was posthumously honoured as such by the Tang Chinese Emperor Xuanzong?
...that despite his never having been <a href="./Emperor" id="mwAhU" rel="mw:WikiLink" title="Emperor">emperor</a>, <b id="mwAhY"><a href="./Li_Chengqi" id="mwAhc" rel="mw:WikiLink" title="Li Chengqi">Li Chengqi</a></b> was <a class="mw-redirect" href="./Posthumous_recognition" id="mwAhg" rel="mw:WikiLink" title="Posthumous recognition">posthumously</a> honoured as such by the <a class="mw-redirect" href="./Tang_Dynasty" id="mwAhk" rel="mw:WikiLink" title="Tang Dynasty">Tang</a> <a href="./Emperor_of_China" id="mwAho" rel="mw:WikiLink" title="Emperor of China">Chinese Emperor</a> <a href="./Emperor_Xuanzong_of_Tang" id="mwAhs" rel="mw:WikiLink" title="Emperor Xuanzong of Tang">Xuanzong</a>?