and Giovanni de' Medici il Popolano 2 more children By his mistress Lucia Marliani Ottaviano Maria Sforza (1475-1548) Bishop of Lodi Other children by unknown women, including Chiara, who married Count Pietro dal Verme in 1480 References Sources Belotti Bortolo. Il Dramma di Gerolamo Olgiati; Milano; 1929 External links Biographical notes to Galazzo Maria Sforza 1444 births 1476 deaths Medieval murder victims People from Fermo Assassinated Italian people Galeazzo Maria Sforza Galeazzo Maria Sforza 15th-century Italian nobility Burials at Milan Cathedral Assassinated heads of state