Jacopo Caldora (c. 1365 – 1439) was an Italian condottiero (mercenary captain) who served various factions in the turbulent politics of the Kingdom of Naples during the early 15th century. Known for his military prowess, strategic acumen, and the loyalty of his troops, he played a significant role in the power struggles between the Angevin and Aragonese claimants to the Neapolitan throne.
Early Life and Background Born around 1365, Jacopo Caldora hailed from a prominent noble family with feudal possessions in Abruzzo, particularly centered around Vasto and Civitaluparella. His father was Giovanni Caldora, and Jacopo inherited a strong military tradition and a network of alliances in the region. He began his military career in the late 14th century, initially serving local lords and gaining experience in the fierce internal conflicts that characterized southern Italy.
Service to the Angevins and Joanna II Caldora rose to prominence by allying himself with the Angevin faction, which contested the Neapolitan throne against the Durazzo line. He distinguished himself in the service of Louis II of Anjou against King Ladislaus of Naples. After Ladislaus's death in 1414, his sister Joanna II ascended to the throne. Caldora quickly became one of Joanna's most trusted and powerful captains.
He formed a crucial alliance with the renowned condottiero Muzio Attendolo Sforza, and together they were instrumental in securing Joanna's reign, particularly against her ambitious general, Pandolfello Alopo. In recognition of his loyalty and military capabilities, Joanna II bestowed upon Caldora the prestigious title of Grand Constable of the Kingdom of Naples, making him the supreme commander of her armies. He was also granted numerous fiefs, including Campo di Giove, Carovilli, Civitaluparella, Monteodorisio, and Pescocostanzo, consolidating his power base in Abruzzo.
Conflict with Alfonso V of Aragon The latter part of Caldora's career was dominated by the succession crisis involving Joanna II and her adopted heirs. Initially, Joanna adopted Alfonso V of Aragon, but later, due to disagreements, she revoked the adoption and named Louis III of Anjou (and after his death, his brother René of Anjou) as her successor. This sparked a prolonged conflict between the Aragonese and Angevin factions.
Caldora remained a staunch supporter of the Angevin cause, defending Joanna's decision and fighting vigorously against Alfonso V. He led significant campaigns against Aragonese forces and their allies, often clashing with other prominent condottieri who supported Alfonso. His strongholds in Abruzzo became crucial strategic points in the conflict.
Death and Legacy Jacopo Caldora died in 1439 during the siege of Eboli, a key fortress held by Aragonese forces. His death was a significant blow to the Angevin cause. His son, Antonio Caldora, inherited his father's command and continued the fight for René of Anjou, though he eventually switched allegiance to Alfonso V.
Jacopo Caldora is remembered as one of the most capable and influential Italian condottieri of his era. His military campaigns and political alliances had a profound impact on the complex dynastic struggles for the Kingdom of Naples, showcasing the power and influence wielded by mercenary captains in 15th-century Italy.