<page_title> Duke Zhuang of Qin </page_title> <section_title> References </section_title> <table> <cell> Duke Zhuang of Qin House of Ying Died: 778 BC </cell> <cell> Ruler of Qin 821–778 BC <col_header> Regnal titles </col_header> </cell> </table>
Duke Zhuang of Qin (died 778 BC) was the ruler of the Qin from 821 to 778 BC.