Her article in thepeerage is here. She was the daughter of Sophia Dorothea of Hanover and granddaughter of Sophia Dorothea of Celle.

Duchess Philippine Charlotte, wife of Duke Karl I by circle of Antoine Pesne (auctioned by Sotheby’s)

1735-1737 Herzogin Philippine Charlotte von Braunschweig by Francesco Carlo Rusca (Stiftung Preußische Schlösser und Gärten Berlin-Brandenburg - Berlin, Germany)

ca. 1744 Herzogin Philippine Charlotte von Braunschweig-Wolfenbüttel by Antoine Pesne (location unknown to gogm)

Duchess Philippine Charlotte, wife of Duke Karl I after Johann Georg Ziesenis (auctioned by Sotheby's)

Alte Dame mit Spitzenumhang und Muff, Princess Philippine Charlotte of Prussia by ? (Schloßmuseum Gotha - Gotha, Thüringen Germany)

Duchess Philippine Charlotte, wife of Duke Karl I by studio of Anna Rosina von Lisiewska (auctioned by Sotheby’s)
