Frederica of Mecklenburg-Strelitz

Frederica of Mecklenburg-Strelitz (; 3 March 1778 – 29 June 1841) was Queen of Hanover from 20 June 1837 until her death in 1841 as the wife of King Ernest Augustus. She was a German princess who married successively Prince Louis Charles of Prussia, Prince Frederick William of Solms-Braunfels, and her first cousin Ernest Augustus. Through her 1815 marriage to Ernest, then Duke of Cumberland, Frederica became a British princess and Duchess of Cumberland. Ernest was the fifth son and eighth child of Queen Charlotte and King George III of the United Kingdom, Frederica's paternal aunt and her husband.