Princess Taihe
... that the Tang Dynasty's Princess Taihe, who became the Kedun (empress) of its ally Huigu, suffered through Huigu's collapse before she was able to return to the Tang?
... that the <a class="mw-redirect" href="./Tang_Dynasty" id="mwCpM" rel="mw:WikiLink" title="Tang Dynasty">Tang Dynasty</a>'s <b id="mwCpQ"><a href="./Princess_Taihe" id="mwCpU" rel="mw:WikiLink" title="Princess Taihe">Princess Taihe</a></b>, who became the <i id="mwCpY">Kedun</i> (empress) of its ally <a class="mw-redirect" href="./Huigu" id="mwCpc" rel="mw:WikiLink" title="Huigu">Huigu</a>, suffered through Huigu's collapse before she was able to return to the Tang?