The condottiero, however, was fighting in Umbria, and named Ruggero d'Antignola as governor with the task to put these lands under his personal rule against the royal power of the Kingdom of Naples.
[1] After an initial period of good relationships, in late 1422 the citizens of L'Aquila, fearing to lose their secular autonomy, rebelled under the leadership of Antonuccio Camponeschi and expelled Ruggero d'Antignola.
[1] The Camponeschi family was related with Giacomo Marzano, grand admiral of Naples, and the condottiero Muzio Attendolo, lord of Benevento and Manfredonia, as well as with Pope Martin V, who supported Louis III of Anjou's claims against Joanna.
After a failed storming attempt, Braccio da Montone took a position on the Collemaggio hill, waiting for the city to surrender by famine.
In the meantime, a coalition between Florence, Milan, and the Pope mustered an army under the condottieri Jacopo Caldora and Francesco Sforza.