History reminds us that Joan II (of the Durazzeschi family), being childless, had adopted as heir first Alfonso d'Aragona, to avoid the threats of another Angiò, Louis III, who demanded the reign for himself, and then Renato d'Angiò himself.

In 1423, when the queen was till living, a violent war broke out in the reign of Naples between the Angioino and the Aragonese. The war reached its peak between 1435 and 1442.