 gian galeazzo visconti (16 october 1351 â 3 september 1402), son of galeazzo ii visconti and bianca of savoy, was the first duke of milan (1395)he was also signore di verona, cremona, bergamo, brescia, belluno, pieve di cadore, feltre, pavia, novara, como, lodi, vercelli, alba, asti, pontremoli, tortona, alessandria, valenza, piacenza, parma, reggio emilia, vicenza, vigevano, borgo san donnino and of the valli del boite. and ruled the late-medieval city just before the dawn of the renaissance. he was the great founding patron of the certosa di pavia, completing the visconti castle at pavia begun by his father and furthering work on the duomo of milan. ==biography== during his patronage of the visconti castle he contributed greatly to the growth of the collection of scientific treatises and richly illuminated manuscripts in the visconti library.hoeniger, cathleen. the illuminated tacuinum sanitatis manuscripts from northern italy ca. 1380-1400: sources, patrons, and the creation of a new pictorial genre. in: givens, jean ann; reeds, karen; touwaide, alain. (2006) visualizing medieval medicine and natural history, 1200-1550. ashgate publishing ltd. pp. 51-82. isbn 0754652963. although most famous as signore of milan, gian galeazzo was the son of galeazzo ii visconti who possessed the signoria of the city of pavia. in 1385 gian galeazzo gained control of milan by overthrowing his uncle bernabÃ² through treacherous means. he imprisoned his uncle who soon died, supposedly poisoned on his orders.barbara tuchman a distant mirror a.a.knopf, new york (1978) p.418 his first marriage was to isabelle of valois, who brought him the title of comte de vertus in champagne, rendered in italian as conte di virtÃ¹, the title by which he was known in his early career.in italian, virtÃ¹ fortuitously connoted lordly charisma and 
1351_births 1402_deaths 14th-century_Italian_people Dukes_of_Milan House_of_Visconti People_from_Pavia