In his speech at the consistory of 19 June, Pope Alexander VI explicitly exonerated some of the suspects. It is not known at whose hands he met his death. It has been stated that the Lord of Pesaro devised it, which we do not believe, or the Prince of Squillace, his brother, which is utterly false. We are certain, too, that the Duke of Urbino had no hand in it. God forgive the guilty, whoever he was. At the time, it was presumed that Alexander VI was aware of the identity of the real culprits but saw no opportunity to punish them immediately. "This morning I was told by a trustworthy person that at this time His Beatitude has very close news of the truth, but he will pretend otherwise to surprise the authors in their sleep, as they are very important people and of high status", the
Florentine envoy, Alessandro Braccio reported on 23 June. The investigation lasted more than a year but it was concluded without results. The murder was never avenged, which contributed to the spread of wild rumours. Eventually the unsolved case became part of the black legend of the Borgia, and regarded as one of the most mysterious crimes in history.
The main suspects: • The most obvious suspects were the
Orsinis revenging the death of
Virginio Orsini at the beginning of the year in a Neapolitan prison. This ancient Roman family was hostile to the Borgias, and they had fought a war against Alexander VI. They defeated the Duke of Gandía on the battlefield, but the pope's plan to carve out a principality in Italy for his son still posed a threat to the family's fortune. Immediately after the murder, the Milanese envoy wrote that all signs point to the Orsini's guilt, but the pope is acting with great caution. In December Sanudo reported that "the pope was plotting to ruin the Orsini, because they certainly had his son, the Duke of Gandía killed", however, the Venetians intervened that the moment was not suitable. Several sources testify that Alexander VI remained determined to exact revenge on the family but political circumstances prevented him to carry out his plan. •
Ascanio Sforza,
Vice-Chancellor of the Holy Roman Church was one of the prime suspects in the period following the murder. At the time the relations between the Sforzas and the pope were tense. The cardinal tried to mediate in the conflict between his cousin, Giovanni Sforza and the Borgias, and immediately before the murder his valet called the Duke of Gandia a bastard during a quarrel and the man was subsequently killed. According to Burchard, the Duke of Gandía took leave of his brother, Cesare near the vice-chancellor's palace on the fateful evening. Ascanio Sforza did not attend the consistory of 19 June. The Spanish ambassador, Garcilaso de la Vega apologised for his absence by saying that he was worried about the rumours accusing him of being behind the murder. Pope Alexander VI immediately absolved him from the charge: "God forbid that I should suspect him, for I hold him as a brother." In a letter to his brother on 20 June, Ascanio Sforza admitted that his people were suspected: "It is said that some of my people may have done it on account of the recent quarrel with the duke". In the following months, relations between the cardinal and the pope fluctuated, meetings were held, but suspicion reared its head again among the Spaniards in Rome, and during the summer Sforza thought advisable to spend more time away from the city. At the time the Venetian envoy wrote that everyone in Rome believes that Ascanio Sforza ordered the murder. •
Antonio Maria Pico della Mirandola was among the early suspects. The Florentine envoy, Alessandro Braccio mentioned that the city police searched all the houses that the duke had been visiting in secret to question family members and maids, including the house of Count Antonio della
Mirandola that was located not far from the place where Giovanni Borgia was murdered and where his body was thrown into the river. Mirandola "had a very shapely daughter but of very good fame", Braccio added. It seems that the envoy alluded to a love affair between the Duke of Gandía and the girl, or at least to a rumor circulating in the city. The Ferrarese envoy claimed that the murder was organized by Mirandola and Cardinal Ascanio Sforza, and "the said count was already arrested by the pope". Since Mirandola was never mentioned again, the charge must have been dismissed. • Suspicions later centred on Giovanni's brother,
Cesare Borgia. The argument goes that a personal rivalry existed between them and, with Giovanni's death, Cesare was allowed to leave the Church as he wished, taking his brother's place as a man-at-arms and eventually the prospective ruler of a Borgia principality. The claim that Cesare was his brother's murderer is first found in a despatch of the Ferrarese ambassador at Venice: "I recently learned how the death of the Duke of Candia was caused by his brother, the Cardinal", he wrote on 22 February 1498. Remarkably, this new accusation emerged nine months after the murder, and not in Rome but in distant Venice. Until then, Cesare had never been mentioned among the suspects. Two years later, Paolo Cappello, the Venetian ambassador in Rome also included the allegation in his report.
Niccolò Machiavelli eventually also came to the conclusion that Cesare Borgia was the perpetrator.
Persons exonerated by the pope: •
Giovanni Sforza, the Lord of
Pesaro was a condottiero and the husband of
Lucrezia Borgia. The marriage was no longer useful for the Borgias politically and Sforza was fearing for his life; he fled Rome in disguise in March 1497. In the following months Pope Alexander VI tried to annul the marriage but Sforza refused the humiliation imposed on him. At first, his brother, Galeazzo was also among the suspects although he had not even left Pesaro. •
Gioffre Borgia, the Prince of
Squillace was the younger brother of Cesare and Giovanni Borgia. His wife,
Sancia allegedly had affairs with both of her husband's older brothers. It was rumoured that Gioffre had killed his brother out of jealousy, but the pope apparently considered this utter nonsense. According to Höfler, this was just a rumour that arose because an explanation was needed for the uncharacteristic act of Córdoba who violated safe-conduct with the arrest. However, Antonio Giustiniani, the Venetian envoy in Rome wrote the same in his report in May. On 19 October, when Cesare Borgia was already transferred to a Spanish prison, Giustiniani claimed that letters have come from Spain about "a trial being held against him for the death of the Duke of Gandía, his brother and for the death of his brother-in-law; with the intention of having him executed for his crimes". This proceedings ultimately came to nothing due to Cesare's escape and later his death in 1507. María Enríquez was an influential lady in the Spanish court, and if she really blamed her brother-in-law for the murder, her opinion certainly mattered a lot for the
Catholic Monarchs. But she had never set foot in Italy and the circumstances of the murder were only known to her by hearsay.
Opinions Historians and chroniclers have always been divided about the identity of the perpetrator. The theory about Giovianni Sforza being the murderer of his brother-in-law was popularized in the colourful but highly unreliable account of
Francesco Matarazzo in his Chronicles. As we saw from Bernáldez's account, the same view prevailed in Spain at the time of the murder.
Francesco Guicciardini summarized the most popular argument for Cesare's guilt in his highly influential work,
The History of Italy in 1537-40. According to him the Cardinal of Valencia "aspired to the exercise of arms, and could not tolerate that this place was occupied by his brother. He was, besides, extremely jealous that Madonna Lucrezia, their sister, loved him more." So the main motives were incestuous lust and ambition. His contemporary,
Paolo Giovio also blamed Cesare in his Vita e gesta di Ferdinando Consalvo. In the 19th century, modern academic historians have generally dismissed this theory.
Ludwig von Pastor ruled out Cesare's guilt based on a thorough examination of the sources and found that no such assumption was made at the time of the murder. "Whether the Duke of Gandia fell a victim to the revenge of the Orsini and Giovanni Sforza, or to his own profligacy, or to both, it is certain that Caesar was not implicated in this crime", he concluded. The same verdict was previously reached by
Konstantin von Höfler, who stated that Cesare had no real reason for the murder, and that the pope's behavior makes this conjecture completely unrealistic. In the end, the belief "is only rooted in the fact that, under completely different circumstances, Cesare got rid of the petty tyrants" of
Romagna, he observed. In 1877, Alois Knöpfler devoted an entire study to proving Cesare's innocence. Among the English,
William Roscoe was of the same opinion, having established that the only really useful source for the murder was Burchard, and "throughout the whole narrative, there is not the slightest indication that Caesar had any share in the transaction"; on the fateful night the Duke of Gandía might have been "detected by some jealous rival, or injured husband, and had paid with his life the forfeiture of his folly", he assumed.
Ferdinand Gregorovius was one of the few who still supported Guicciardini's claim: "According to the general opinion of the day, which in all probability was correct, Caesar was the murderer of his brother", he wrote. He even accused Pope Alexander VI becoming "morally accessory after the fact", as he fell under the power of his terrible son.
Rafael Sabatini in his biography of Cesare Borgia criticized Gregorovius for this unprofessional opinion: "There is much against Cesare Borgia, but it never has been proved, and never will be proved, that he was a fratricide. Indeed the few really known facts of the murder all point to a very different conclusion — a conclusion more or less obvious, which has been discarded, presumably for no better reason than because it was obvious", he argued. Sabatini believed that the duke, whose wrists were pinioned, was most probably tortured and then killed by a personal enemy which "points to an affair of sordid gallantry". ==Giovanni Borgia's character==