Ernestine Charlotte of Nassau-Schaumburg

– 21 February 1732), German: Ernestine Charlotte Prinzessin von Nassau-Schaumburg, official titles: Prinzessin von Nassau, Gräfin zu Katzenelnbogen, Vianden, Diez und Holzappel, Frau zu Beilstein, Laurenburg und Schaumburg, was a princess from the House of Nassau-Schaumburg, a cadet branch of the Ottonian Line of the House of Nassau and through marriage Fürstin of Nassau-Siegen.

She was regent of the Principality of Nassau-Siegen (part of the County of Nassau) for her son Frederick William Adolf in the period 1691–1701.

[2][note 1] as the second daughter of Prince Adolf of Nassau-Schaumburg and his wife Elisabeth Charlotte Melander, Countess of Holzappel.

Numerous valuable paintings by famous artists, including Rembrandt, Peter Paul Rubens and Anthony van Dyck, fell victim to the flames.

[1] Ernestine Charlotte died at the Nassauischer Hof in Siegen[1] on 21 February 1732[21][note 6] and was buried on 15 March in the Fürstengruft there.

Aerial image of Schaumburg Castle. Photo: Carsten Steger, 2022.
The new Nassauischer Hof , later called Untere Schloss , seen from the west, ca. 1720. Attempt at reconstruction, ink drawing, Wilhelm Scheiner , 1922.