After Borgia was unearthed for the second time in his bones were taken for a rather lengthy forensic examination by Victoriano Juaristi, a surgeon by trade and Borgia aficionado, and the tests concurred with the preliminary ones carried out in the 19th century.
After Cesare, Leonardo was unsuccessful in finding another patron in Italy.
There was evidence that the bones belonged to Borgia.
Stefano Infessura writes that Cardinal Borgia falsely claimed Cesare to be the legitimate son of another man-Domenico d'Arignano, the nominal husband of Vannozza dei Cattanei. There was evidence that the bones belonged to Borgia.