Margaret Cecil, Countess of Ranelagh (1672-1728). Oil on canvas, 232.9 x 143.6 cm.
<bdi><a href="https://en.wikipedia.org/wiki/en:Godfrey_Kneller" class="extiw" title="w:en:Godfrey Kneller"><span title="painter from Germany active in the Great Britain (1646-1723)">Godfrey Kneller</span></a>
</bdi>
CC BY 3.0
<a rel="nofollow" class="external free" href="http://www.royalcollection.org.uk/collection/404723/margaret-cecil-countess-of-ranelagh-1672-1728">http://www.royalcollection.org.uk/collection/404723/margaret-cecil-countess-of-ranelagh-1672-1728</a>