Definition: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Bianca Cappello (1548 -- 20 October 1587) was an Italian noblewoman who was the mistress, and afterward the second wife, of Francesco I de' Medici, Grand Duke of Tuscany.
Question : What is Bianca Cappello's spouse's name?
Output:
Francesco I de' Medici, Grand Duke of Tuscany