The Spanish, looking for a suitable Catholic successor, had offered the post to three European princes, each of whom was rejected by Napoleon III, who served as regional power-broker.
Uygun bir Katolik varis arayan İspanyollar, bu görevi üç Avrupalı prense teklif etti, fakat hepsi bölgede gücü elinde bulunduran III. Napolyon tarafından reddedildi.