Costanza Sforza, Duchess of Sora
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Costanza Sforza of Santa Fiora (1550 – 1617) was an Italian noblewoman. The direct granddaughter of Costanza Farnese (daughter of Alessandro Farnese, later Pope Paul III), she was Duchess of Sora and married Giacomo Boncompagni, Marquess of Vignola, and Duke of Sora.
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