So-called Portrait of <a href="https://en.wikipedia.org/wiki/en:Christine_Juliane_of_Baden-Durlach" class="extiw" title="w:en:Christine Juliane of Baden-Durlach"><span title="(1678-1707)">Christine Juliane of Baden-Durlach</span></a> (1678-1707), but is probably a depiction of her sister-in-law <a href="https://en.wikipedia.org/wiki/en:Fredericka_Elisabeth_of_Saxe-Eisenach" class="extiw" title="w:en:Fredericka Elisabeth of Saxe-Eisenach"><span title="(1669-1730)">Friederike Elisabeth of Saxe-Eisenach</span></a> (1669-1730)
<ul><li><small style="font-size:85%;">It's probably a painting derived from a portrait of Friederike Elisabeth by <a href="//commons.wikimedia.org/wiki/Category:Andreas_Eusebius_Berhold" title="Category:Andreas Eusebius Berhold">Andreas Eusebius Berhold</a> (see image below)</small></li></ul>
<bdi><a href="//commons.wikimedia.org/wiki/Category:18th-century_portrait_paintings_of_women,_artist_and_year_missing" title="Category:18th-century portrait paintings of women, artist and year missing">Unidentified painter</a>
</bdi>
<a rel="nofollow" class="external free" href="https://www.deutsche-digitale-bibliothek.de/item/6CM5VR7JA3TCVI2KC2YP3M7I35R3J7RY">https://www.deutsche-digitale-bibliothek.de/item/6CM5VR7JA3TCVI2KC2YP3M7I35R3J7RY</a>