Issue. Frederick William II of Prussia (1744–1797) . married (1) Elisabeth Christine of Brunswick-Lüneburg.They had one child Princess Frederica Charlotte of Prussia (1767–1820), who married Prince Frederick, Duke of York and Albany, the second son of George III of the United Kingdom.
Prince Charles of Prussia: 9. Duchess Louise of Mecklenburg-Strelitz: 2. Prince Frederick Charles of Prussia: 10. Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach: 5. Princess Marie of Saxe-Weimar-Eisenach: 11. Grand Duchess Maria Pavlovna of Russia: 1. Prince Friedrich Leopold of Prussia: 12. Frederick, Hereditary Prince of Anhalt-Dessau: 6.