Frederika Louisa of Hesse-Darmstadt

Frederica Louisa of Hesse-Darmstadt (; 16 October 1751 – 25 February 1805) was Queen of Prussia and Electress of Brandenburg as the second wife of King Frederick William II.

Early life Frederica Louisa of Hesse-Darmstadt was born on 16 October, 1751 in Prenzlau . She was the daughter of Louis IX, Landgrave of Hesse-Darmstadt, and Countess Palatine Caroline of Zweibrücken. She was the sister of Grand Duchess Louise of Saxe-Weimar-Eisenach, as well as Louis I, Grand Duke of Hesse.

Frederica Louisa was described as solid and sensible and with an agreeable conversation, though lacking of beauty and any particular intellectual abilities. Wraxall said of her: "She is an amiable, virtuous, and pleasing woman, possessing neither the personal attractions, nor the graces of her predecessor, but exempt from her errors and defects. She is of the middle size, her countenance agreeable, though not handsome, her manners easy and engaging, her character estimable and formed to excite universal respect."

Dowager queen Frederica Louisa died in Berlin on 25 February 1805, Frederica Louisa's letters to her father, Louis IX, Landgrave of Hesse-Darmstadt, as well as other persons, written between 1770 and 1805, are also preserved in the Hessian State Archive (Hessisches Staatsarchiv Darmstadt) in Darmstadt, Germany.

Issue Frederick William and Frederica Louisa had six surviving children: boxstyle_1 = background-color: #fcc; boxstyle_2 = background-color: #fb9; boxstyle_3 = background-color: #ffc; boxstyle_4 = background-color: #bfc; 1 = 1. Frederica Louisa of Hesse-Darmstadt 2 = 2. Louis IX, Landgrave of Hesse-Darmstadt 3 = 3. Countess Palatine Caroline of Zweibrücken 4 = 4. Louis VIII, Landgrave of Hesse-Darmstadt 5 = 5. Countess Charlotte of Hanau-Lichtenberg 6 = 6. Christian III, Count Palatine of Zweibrücken 7 = 7. Countess Caroline of Nassau-Saarbrücken 8 = 8. Ernest Louis, Landgrave of Hesse-Darmstadt 9 = 9. Princess Dorothea Charlotte of Brandenburg-Ansbach 10 = 10. Johann Reinhard III, Count of Hanau-Lichtenberg 11 = 11. Princess Dorothea Friederike of Brandenburg-Ansbach 12 = 12. Christian II, Count Palatine of Zweibrücken-Birkenfeld 13 = 13. Countess Katharina Agathe of Rappoltstein 14 = 14. Louis Crato, Count of Nassau-Saarbrücken 15 = 15. Countess Philippine Henriette of Hohenlohe-Langenburg