<page_title> List of rulers of Lorraine </page_title> <section_title> House of Metz (Ardennes-Metz) </section_title> <table> <cell> Frederick I <col_header> Name </col_header> </cell> <cell> 1205 <col_header> Start term </col_header> </cell> </table>
Frederick I was the duke of Lorraine from 1205.