<page_title> Duke Dao of Qin </page_title> <section_title> References </section_title> <table> <cell> Duke Dao of Qin House of Ying Died: 477 BC </cell> <cell> Duke of Qin 491–477 BC <col_header> Regnal titles </col_header> </cell> </table>
Duke Dao of Qin (died 477 BC) was the ruler of Qin from 491 to 477 BC.