Leone Sforza (May 1406 – July 1440) was an Italian

condottiero Condottieri (; singular: ''condottiero'' or ''condottiere'') were Italian military leaders active during the Middle Ages and the early modern period. The term originally referred specifically to commanders of mercenary companies, derived from the ...

, a member of the

House of Sforza The House of Sforza () was a ruling family of Renaissance Italy, based in Milan. Sforza rule began with the family's acquisition of the Duchy of Milan following the extinction of the Visconti family in the mid-15th century and ended with the d ...

. Born at

Castelfiorentino Castelfiorentino is a city and ''comune'' (municipality) in the Metropolitan City of Florence, Tuscany, central-northern Italy, located between Florence (distance 30 km), Pisa (45 km) and Siena (55 km). The population numbers approxi ...

, he was the son of

Muzio Attendolo Muzio Attendolo Sforza (28 May 1369 – 4 January 1424) was an Italian condottiero. Founder of the Sforza dynasty, he led a Bolognese-Florentine army at the Battle of Casalecchio. In his later years, he served Queen Joanna II of Naples and was a ...

, and brother to Alessandro and

Francesco Sforza Francesco I Sforza (; 23 July 1401 – 8 March 1466) was an Italian condottiero who founded the Sforza dynasty in the duchy of Milan, ruling as its (fourth) duke from 1450 until his death. In the 1420s, he participated in the War of L'Aqui ...

, both successful military leaders and seigniors. In 1415 he was jailed in the

Castel Nuovo Castel Nuovo (; ; 'New Castle'), often called Maschio Angioino (; ; ' Angevin Keep'), is a medieval castle located in front of Piazza Municipio and the city hall ( Palazzo San Giacomo) in central Naples, Campania, Italy. Its scenic location and ...

Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...

together with his father and his brothers. Leone fought mainly alongside Francesco, and in 1432 he escorted to

Piacenza Piacenza (; ; ) is a city and (municipality) in the Emilia-Romagna region of Northern Italy, and the capital of the province of Piacenza, eponymous province. As of 2022, Piacenza is the ninth largest city in the region by population, with more ...

the emperor

Sigismund Sigismund (variants: Sigmund, Siegmund) is a German proper name, meaning "protection through victory", from Old High German ''sigu'' "victory" + ''munt'' "hand, protection". Tacitus latinises it ''Segimundus''. There appears to be an older form of ...

. In 1434–1435 he fought against

Niccolò Fortebraccio Niccolò Fortebraccio (1375–1435), also known as Niccolò della Stella, was an Italian condottiero. Born in Sant'Angelo in Vado, he was the son of Stella, sister of Braccio da Montone. His half-brother Oddo and his cousin Carlo were also condo ...

in Lazio and Umbria: taken prisoner, he was freed after the death of that condottiero. Leone Sforza was killed during the siege of Caravaggio of 1440, while commanding the Venetian troops.

References

Page at condottieridiventura.it
{{DEFAULTSORT:Sforza, Leone 1406 births 1440 deaths People from Castelfiorentino Leone 15th-century condottieri Italian military personnel killed in action