Giuseppe Gonzaga was the last reigning Duke of Guastalla and a member of the House of Gonzaga. Wikipedia
Born: March 20, 1690
Died: August 15, 1746 (age 56 years)
Great-grandparents: Cesare II Gonzaga, Isabella of Savoy, and Alfonso III d'Este
Partner: Eleanor von Schleswig-Holstein-Sonderburg-Wiesenburg (1731–)