Anne, Viscountess Pollington, later Countess of Mexborough (d 1870), with her son, John Charles (1810-99), later 4th Earl of Mexborough
<bdi><a href="https://en.wikipedia.org/wiki/en:Thomas_Lawrence" class="extiw" title="w:en:Thomas Lawrence"><span title="English portrait painter and second president of the Royal Academy">Thomas Lawrence</span></a>
</bdi>
circa 1812 <div style="display: none;">date QS:P571,+1812-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a href="https://en.wikipedia.org/wiki/Christie%27s" class="extiw" title="en:Christie's">Christie's</a>, LotFinder:  entry  <a rel="nofollow" class="external text" href="https://www.christies.com/LotFinder/lot_details.aspx?intObjectID=5471217">5471217</a>