<page_title> List of rulers of Lorraine </page_title> <section_title> House of Metz (Ardennes-Metz) </section_title> <table> <cell> Frederick III <col_header> Name </col_header> </cell> <cell> 24 June 1251 <col_header> Start term </col_header> </cell> <cell> 31 December 1302 <col_header> End term </col_header> </cell> </table>
Frederick III (1240 – 31 December 1302) was the Duke of Lorraine from 1251 to his death.