Đào Duy Từ
... that Vietnamese scholar Đào Duy Từ was forbidden from taking Le Dynasty's court examination because his father was a folk singer?
... that Vietnamese scholar <b id="mwE8Q"><a href="./Đào_Duy_Từ" id="mwE8U" rel="mw:WikiLink" title="Đào Duy Từ">Đào Duy Từ</a></b> was forbidden from taking <a class="mw-redirect" href="./Le_Dynasty" id="mwE8Y" rel="mw:WikiLink" title="Le Dynasty">Le Dynasty</a>'s <a href="./Imperial_examination" id="mwE8c" rel="mw:WikiLink" title="Imperial examination">court examination</a> because his father was a folk singer?