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In page Giulia della Rovere:

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Guilia was the daughter of Francesco Maria I della Rovere, Duke of Urbino and Eleonora Gonzaga.[citation needed] On 3 January 1549 she married Alfonso d'Este,[1] an illegitimate son of Alfonso I d'Este, Duke of Ferrara, and of Laura Dianti.[citation needed] They had three children:[citation needed]