Archduke Friedrich, Duke of Teschen was a member of the House of Habsburg and the supreme commander of the Austro-Hungarian Army during World War I. Wikipedia
Born: June 4, 1856, Austrian Empire
Died: December 30, 1936 (age 80 years), Mosonmagyaróvár, Hungary
Grandchildren: Princess Rosemary of Salm-Salm, Infanta Alicia, Duchess of Calabria, Barbara of Portugal, and more
Spouse: Princess Isabella of Croÿ (m. 1878–1931)
Great-grandparents: Maria Christina, Duchess of Teschen, Leopold II, Holy Roman Emperor, Maria Luisa of Spain, and more