Cappello, Bianca(byäng`kä cäpĕl`lō), 1548–87, grand duchess of Tuscany (1579–87). Of a noble Venetian family, she eloped (1563) with a Florentine, Pietro Bonaventuri, who was later killed (1569). She was the mistress, then (1579) the wife of Francesco de' MediciMedici, Francesco de'
, 1541–87, grand duke of Tuscany (1574–87); son and successor of Cosimo I de' Medici. In his reign the decline of the Medici family began.
..... Click the link for more information. . After a banquet the grand duke and his duchess died suddenly, but rumors that they had been poisoned were never substantiated.
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