The principal object of the new combination having been attained by the submission of Urbino, followed by that of Camerino, Borgia hastened to anticipate the suspicions of his allies by sending the French succours back to Milan. He however retained a body of troops, and proposed that the chiefs should co-operate with him in reducing Sinigaglia, which was held by the late Prefect's widow. Accordingly, Paolo Orsini, his relation the Duke of Gravina, Vitellozzo, and Liverotto advanced upon that town, the garrison of which was commanded by the celebrated Andrea Doria. This remarkable man, finding himself excluded by the state of parties at Genoa from all prospect of preferment, had in youth adopted the career of a condottiere. He took service with Giovanni della Rovere, distinguishing himself greatly in the campaign of Charles VIII. at Naples; after which he continued attached to the Prefect and his widow, with a hundred light horse. Seeing the case of Sinigaglia desperate, and dreading Liverotto's bitter hatred of the Rovere race, he retired, having first sent off the Prefectess on horseback to Florence, disguised as a friar. On the 28th of December, the assailants took undisputed possession of the city, and sacked it. His prey now in his toils, Valentino, who had lulled their suspicion by keeping aloof with his troops in Romagna, flew to the spot on the pretext of reducing the citadel, and on the 31st arrived at the town with a handful of cavalry. He was met three miles outside of the gate by the chiefs, and immediately requested their attendance in the house of one Bernardino di Parma, to receive his congratulations and thanks on their success. At the same time he desired quarters to be provided for their respective followings outside of the city, in order to admit his own army, amounting to two thousand cavalry and ten thousand infantry. Startled at the appearance of a force so disproportioned to the service in hand, they would gladly have demurred to this distribution of the troops, but Cesare had contrived that there should be no opportunity for remonstrance, and resistance would have obviously been too late. Affecting a confidence they were far from feeling, the leaders accepted the invitation, and were received with cordiality and distinction. After an interchange of compliments, Borgia withdrew upon some pretext, when there immediately entered his chosen agent of iniquity, Don Michelotto, with several armed followers, who, after some resistance, arrested the Duke of Gravina, Paolo Orsini, Vitellozzo, and Liverotto, with some ten others. Before morning the two last were strangled with a Pisan cord, or violin-string, and a wrench-pin, by the hands of that monster, in his master's presence. Their death, according to Machiavelli, was cowardly, especially that of the blood-stained Liverotto; and their bodies, after being dragged round the piazza, were exposed for three days before burial.