 Frederick Augustus was entombed in the Roman Catholic Cathedral of Dresden.In Mannheim on 17 January 1769 (by proxy) and again in Dresden on 29 January 1769 (in person), Frederick Augustus married the Countess Palatine ("Pfalzgräfin") Amalie of Zweibrücken-Birkenfeld, sister of King Maximilian I Joseph of Bavaria.During their marriage, Amalia gave birth to four children, but only one daughter survived to adulthood