Galeazzo Maria Sforza - Children

Children

With his second wife, Bona of Savoy, Sforza had four children:

• Gian Galeazzo Sforza (1469–1494), who became duke upon his father's death; he married his cousin Isabella of Aragon, Duchess of Milan and had issue
• Hermes Maria Sforza (1470–1503), Marquis of Tortona
• Bianca Maria Sforza (1472–1510), who married Philibert I, Duke of Savoy and Maximilian I, Holy Roman Emperor
• Anna Sforza (1476–1497), who married Alfonso I d'Este

With his mistress Lucrezia Landriani, he had at least one illegitimate daughter:

• Caterina Sforza, who married 3 times: Girolamo Riario; Giacomo Feo; and Giovanni de' Medici il Popolano
• Sforza reportedly had at least 4 other illegitimate children by Lucrezia, and 1 other child by another woman. http://www.kleio.org/en/history/famtree/sforza/631.html