Galeazzo Maria Sforza was the fifth Duke of Milan from 1466 until 1476. He was born to Francesco Sforza, a popular condottiero and ally of Cosimo de' Medici who would gain the Duchy of Milan in 1450,
Galeazzo Sforza, by Piero Benci, Uffizi Gallery
Galeazzo Maria Sforza, c. 1464
Lament of the duke Galeazzo Maria (1476)
Lampugnani's Conspiracy by Francesco Hayez, 1826
Caterina Sforza was an Italian noblewoman who ruled as Countess of Forlì and Lady of Imola, initially alongside her husband Girolamo Riario, and later as regent for their son, Ottaviano Riario. She is
Galeazzo Maria Sforza
…Violante Bentivoglio (1505–1550), married Giovanni Paolo I Sforza, who was the legitimized son of Ludovico il Moro, Duke of Milan, and Lucrezia Crivelli. Caterina Sforza (1462–1509), Countess of Fiorli and Lady of Imola, married three times: with Girolamo Riario; Giacomo Feo; and Giovanni de' Medici il Popolano. Reigned…
Caterina Sforza, reproduction of a medal created c. 1488
Portrait of Giacomo Feo (the tallest man standing on the right), Melozzo da Forlì
Portrait of Giovanni delle Bande Nere by Gian Paolo Pace