The Franco-Italian army led by Eugène de Beauharnais was defreated by an Austrian army commanded by a member of what house?
Archduke John of Austria Archduke John of Austria (German: "Erzherzog Johann Baptist Joseph Fabian Sebastian von Österreich" ; 20 January 1782 – 11 May 1859), a member of the House of Habsburg-Lorraine, was an Austrian field marshal and Imperial regent ("Reichsverweser") of the short-lived German Empire during the Revolutions of 1848.
Army of Italy (France) The Army of Italy (French: "Armée d'Italie" ) was a field army of the French Army stationed on the Italian border and used for operations in Italy itself. Though it existed in some form in the 16th century through to the present, it is best known for its role during the French Revolutionary Wars (in which it was one of the early commands of Napoleon Bonaparte, during his Italian campaign) and Napoleonic Wars.