Adolphus Frederick IV was Duke of Mecklenburg-Strelitz from 1752 to his death in 1794. Wikipedia
Born: May 5, 1738, Mirow, Germany
Died: June 2, 1794 (age 56 years), Neustrelitz, Germany
Siblings: Charlotte of Mecklenburg-Strelitz
Great-grandparents: Adolphus Frederick I, Ernest, Duke of Saxe-Hildburghausen, Countess Amalia Katharina of Waldeck, and more