Rubuta ci gaba don wannan sakin layi - Rayuwar Maria Isabela ta shafar ayyukan Napoleon 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 yakin Austerlitz
a watan Disamba na 1805 da rundunar 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.