João das Regras
...that Portuguese jurist João das Regras aided John I of Portugal by refuting the arguments of pretenders to the throne during the 1383–1385 Crisis?
...that Portuguese jurist <b id="mwA-c"><a href="./João_das_Regras" id="mwA-g" rel="mw:WikiLink" title="João das Regras">João das Regras</a></b> aided <a href="./John_I_of_Portugal" id="mwA-k" rel="mw:WikiLink" title="John I of Portugal">John I of Portugal</a> by refuting the arguments of pretenders to the throne during the <a class="mw-redirect" href="./1383–1385_Crisis" id="mwA-o" rel="mw:WikiLink" title="1383–1385 Crisis">1383–1385 Crisis</a>?