{{Short description|Italian noblewoman (1550–1617)}} {{Expand Italian|topic=bio|Costanza Sforza di Santa Fiora|date=January 2025}} {{Use dmy dates|date=April 2022}} {{Infobox noble | name = Costanza Sforza | title = Duchess of Sora | noble family = Sforza | successor = | birth_date = {{birth date text|1550}} | death_date = 22 January 1617 | spouse = Giacomo Boncompagni | image = Costanza_Sforza_of_Santa_Fiora.jpg | caption = 1594 portrait by Lavinia Fontana | CoA = | tenure = | predecessor = }} '''Costanza Sforza of Santa Fiora''' (1550 – 22 January 1617) was an Italian noblewoman. By birth she was member of the powerful House of Sforza and by marriage member of the House of Boncompagni.

== Early life == Costanza was daughter of Sforza Sforza, 1st Marquess of Castell'Arquato, 11th Count of Santa Fiora (1520 – Castell'Arquato, 21 October 1575), and his first wife Luigia Pallavicino (died in 1552), maternal granddaughter of Jacopo Salviati and wife Lucrezia de' Medici. She was a half-sister of Cardinal Francesco Sforza and paternal granddaughter of Costanza Farnese (daughter of Alessandro Farnese, later Pope Paul III).<ref>{{Cite web | url=http://gw.geneanet.org/favrejhas?lang=it&p=costanza&n=sforza | title=Genealogia di Costanza SFORZA}}</ref> She married Don Giacomo Boncompagni, 1st Marquess of Vignola, and 1st Duke of Sora, Aquino, Arce and Arpino, on 5 February 1576, and had fourteen children.<ref>{{Cite web|url=https://www.geni.com/people/Costanza-Sforza/6000000013429715304|title=Costanza Sforza|date=24 May 2018 }}</ref>

Lavinia Fontana, a prominent Bolognese artist, painted her portrait in 1594. A year later, Constanza served as the namesake and godmother of Fontana's daughter.<ref>{{Cite journal|last=Murphy|first=Caroline P.|date=1996|title=Lavinia Fontana and 'Le Dame della Citta': understanding female artistic patronage in late sixteenth-century Bologna|journal=Renaissance Studies|volume=10|issue=2|page=194|doi=10.1111/j.1477-4658.1996.tb00356.x}}</ref>

==Notes== {{Reflist}}

== References == * Murphy, Caroline P. (1996). "Lavinia Fontana and 'Le Dame Citta': understanding female artistic patronage in late sixteenth-century Bologna." ''Renaissance Studies'' 10 (2). pp.&nbsp;190–208.

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{{DEFAULTSORT:Sforza, Costanza, Duchess of Sora}} Category:1550 births Category:1617 deaths Category:Duchesses in Italy Costanza Category:Date of birth unknown Category:Date of death unknown Category:Place of birth unknown Category:Place of death unknown Category:16th-century Italian nobility Category:16th-century Italian women Category:17th-century Italian nobility Category:17th-century Italian women

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