Charles William Ferdinand (1735-1806) with Frederic Augustus (1740-1805), Dukes of Brunswick-Wolfenbüttel and their sister <a href="https://en.wikipedia.org/wiki/en:Duchess_Anna_Amalia_of_Brunswick-Wolfenb%C3%BCttel" class="extiw" title="w:en:Duchess Anna Amalia of Brunswick-Wolfenbüttel"><span title="German princess, composer, editor (1739-1807)">Duchess Anna Amalia of Brunswick-Wolfenbüttel</span></a> (1739-1807)
<bdi><a href="//commons.wikimedia.org/wiki/Category:18th-century_portrait_paintings,_artist_and_year_missing" title="Category:18th-century portrait paintings, artist and year missing">Unidentified painter</a>
</bdi>
circa 1767 <div style="display: none;">date QS:P571,+1767-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="https://www.rct.uk/collection/420632">Royal Collection RCIN 420632</a>