1805 having suffered a stroke. Archives Frederica Louisa's letters to her mother, Countess Palatine Caroline of Zweibrücken, written between 1765 and 1773, are preserved in the Hessian State Archive (Hessisches Staatsarchiv Darmstadt) in Darmstadt, Germany. 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 III of Prussia (1770–1840); married Louise of Mecklenburg-Strelitz and had issue. Princess Christine of Prussia (1772–1773) Prince Louis Charles of Prussia (1773–1796); married Frederica of Mecklenburg-Strelitz and had issue. Princess Wilhelmina of Prussia (1774–1837); married William I of the Netherlands and had issue. Stillborn son (born and died 1777) Princess Augusta of Prussia (1780–1841); married William II, Elector of Hesse. Prince Henry of Prussia (1781–1846) Prince Wilhelm of Prussia (1783–1851); married Landgravine Marie Anna of Hesse-Homburg and had issue. Ancestry References External links |- 1751 births 1805 deaths People from Prenzlau House of Hesse-Darmstadt Landgravines of Hesse-Darmstadt Crown princesses Prussian royal consorts Consorts of Brandenburg Princesses of Neuchâtel Burials at Berlin Cathedral Prussian princesses Electresses of Brandenburg Queen mothers Daughters of monarchs