In 1463, when Alfonso was fifteen, his great-uncle Giovanni Antonio del Balzo Orsini, Prince of Taranto, died, and he obtained some lands from the inheritance.
V roce 1463, když bylo Alfonsovi patnáct let, zemřel jeho prastrýc Giovanni Antonio Del Balzo Orsini, princ z Taranta, a Alfons zdědil některé jeho majetky.