Elisabeth_Christine_of_Brunswick-Wolfenbüttel-Bevern--King_of_Prussia_Frederick_II

Elisabeth Christine of Brunswick-Wolfenbüttel-Bevern (8 November 1715 – 13 January 1797) was Queen of Prussia (Queen in Prussia until 1772) and Electress of Brandenburg as the wife of Frederick the Great. She was the longest-serving Prussian queen, with a tenure of more than 46 years. She was praised for her charity work during the Seven Years' War.