Countess Friederike Amalie of Schlieben was the consort of Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck. Wikipedia
Born: February 28, 1757, Königsberg
Died: December 17, 1827 (age 70 years), Schleswig, Germany
Great-grandparents: Arnolda Charlotte, Freiin von Creytzen and Albrecht Christoph, Graf Finck von Finckenstein
Spouse: Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck (m. 1780–1816)
Parents: Count Karl Leopold von Schlieben