Fig. 15: Caterina Sforza (in the centre) as the mythological ancestress of the Visconti-Sforza, the Roman Goddess Venus, with her brother-in-law Tommaso Feo and her late half-sister Bianca Landriani (left) and her daughter Bianca Riario (right). Sandro Botticelli: Birth of Venus, c. 1497. Florence, Uffizi