Ka cika wannan jumla: Ayyukan Napoleon sun shafi rayuwar Maria Isabela sosai. Domin yana tsoron kada a ci amanar sarautarsa, Sarki Ferdinand ya haɗa kai da 'yan tawayen da suka yi yaƙi da Bonaparte. Sojojin Napoleon sun kayar da sojojin kawance a
Yaƙin Austerlitz a watan Disamba na 1805 da ƙungiyar Neapolitan a Campo Tenese. Bayan wadannan nasarorin, sojojin Napoleon sun mamaye Naples a 1806. Sarkin sarakuna ya ba da kambin Naples ga ɗan'uwansa Joseph Bonaparte, kuma bayan shekaru hudu ga surukinsa Joachim Murat.