Archduke Ferdinand Karl of Austria-Este was a son of Holy Roman Emperor Franz I and Maria Theresa of Austria. He was the founder of the House of Austria-Este and Governor of the Duchy of Milan between 1765 and 1796. Wikipedia
Born: June 1, 1754, Schönbrunn Palace, Vienna, Austria
Died: December 24, 1806 (age 52 years), Vienna, Austria
Great grandchildren: Francis V, Duke of Modena, Archduke Ferdinand Karl Viktor of Austria-Este, Maria Theresa of Austria-Este, Queen of Bavaria, and more
Parents: Maria Theresa and Francis I, Holy Roman Emperor