César Borgia, duc de Valentinois, portrait par un anonyme français du temps (Rome pal. de Venise) -César Borgia lui-même, après la mort de son père, tombe entre les mains de son ennemi Gonzalve de Cordoue qui l'envoie en Espagne (1504) où il meurt dans une embuscade 3 ans plus tard.
Cesare Borgia, At age 18, Cesare became a Cardinal, while his older brother, Juan (who was also Rodrigo's favorite) became Captain General. Unsatisfied with his life as a Cardinal and jealous of his brother's position and power, he arranged to meet Juan at Tiber Island, where he convinced Juan to spend the night with the courtesan Fiora Cavazza, who later killed him under Cesare's orders.
lucrezia borgia illegitimate daughter of Pope Alexander VI (Rodrigo Borgia) by one of his mistresses, Lucrezia Borgia gained a reputation as a poisoner and plotter. She was more likely a victim of malicious gossip that exaggerated her actual misdoings, and likely was not an active participant in her father's and brother's infamous plots.