<page_title> List of legendary kings of Britain </page_title> <section_title> Kings derived from Geoffrey of Monmouth </section_title> <table> <cell> Maximianus (with Dionotus later as regent) <col_header> Kingdom </col_header> <col_header> England </col_header> <col_header> Scotland </col_header> <col_header> Wales </col_header> </cell> <cell> Caradocus, then Dionotus <col_header> Kingdom </col_header> <col_header> Cornwall </col_header> </cell> <cell> Magnus Maximus, Roman usurper-emperor 383–388 <col_header> Synchronisation </col_header> <col_header> Other </col_header> </cell> </table>
Dionotus was regent of Britain.