<page_title> List of monarchs of Northumbria </page_title> <section_title> Kings of Northumbria </section_title> <table> <cell> 729 to 731 <col_header> Reign </col_header> </cell> <cell> Ceolwulf <col_header> Incumbent </col_header> </cell> </table>
In 729, Saint Ceolwulf was the King of Northumbria.