 Bayerische Infanterie-Division" suffered severe loses during the Battle of the Somme and was transferred to Italian Front on border protection duties, where he stayed for the remainder of the war.On 12 July 1912 Prince Franz married Princess Isabella Antonie of Croÿ, the daughter of Duke Karl Alfred of Croÿ and Princess Ludmilla of Arenberg.The wedding took place at the Schloss Weilburg in Baden near Vienna, Austria-Hungary.