The Scarlet City — Hella S. Haasse

Although he bears one of the most notorious names in all of Italy, Giovanni Borgia doesn't know his parentage. Hella Haasse uses the Italian Wars as a backdrop for Giovanni's agonizing quest for his identity. Set against the backdrop of the Italian wars, this novel seeks to unravel the puzzle of Giovanni Borgia's true identity. Machiavelli, Vittoria Colonna, Michelangelo, the Borgias and the Medici are some of the characters who inhabit the secretive and dangerous world of sixteenth century Rome.