<div class="description">
Portrait of <a href="https://en.wikipedia.org/wiki/Anne-Catherine_de_Ligniville,_Madame_Helv%C3%A9tius" class="extiw" title="w:Anne-Catherine de Ligniville, Madame Helvétius">Anne-Catherine de Ligniville, Madame Helvétius</a> (1722-1800)</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Louis-Michel_van_Loo" class="extiw" title="w:en:Louis-Michel van Loo"><span title="French painter (1707-1771)">Louis-Michel van Loo</span></a>
</bdi>
18<sup>th</sup> century <div style="display: none;">date QS:P571,+1750-00-00T00:00:00Z/7</div>
John Pierpont Morgan, Thomas Humphry Ward, William Roberts, <i>Pictures in the Collection of J. Pierpont Morgan at Princes Gate &amp; Dover House</i>. Volume 2.  (London, Privately printed, 1907).