<i>The Halberdier</i>, oil on canvas painting by Simon Vouet, c. 1615-20, Dayton Art Institute.  This painting is very similar to the Vouet in the Louvre identified as Saint Guillaume d'Aquitaine (Saint William of Gellone).
<bdi><a href="https://en.wikipedia.org/wiki/en:Simon_Vouet" class="extiw" title="w:en:Simon Vouet"><span title="French painter (1590-1649)">Simon Vouet</span></a>
</bdi>
circa 1615 <div style="display: none;">date QS:P571,+1615-00-00T00:00:00Z/9,P1480,Q5727902</div>-20
<span class="int-own-work" lang="en">Own work</span>