Leone Sforza was an Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 condottiero, a member of the House of Sforza

House of Sforza

Sforza was a ruling family of Renaissance Italy, based in Milan.-History:The dynasty was founded by Muzio Attendolo , called Sforza , a condottiero from Romagna serving the Angevin kings of Naples...

.

Born at Castelfiorentino

Castelfiorentino

Castelfiorentino is a comune in the Province of Florence in the Italian region Tuscany, located about 30 km southwest of Florence.The population is approximately 20,000 inhabitants...

, he was the son of Muzio Attendolo, and brother to Alessandro

Alessandro Sforza

Alessandro Sforza was an Italian condottiero and lord of Pesaro, the first of the Pesaro line of the Sforza family.-Biography:...

 and Francesco Sforza, both successful military leaders and seigniors.

In 1415 he was jailed in the Castel Nuovo

Castel Nuovo

Castel Nuovo , often called Maschio Angioino, is a medieval castle in the city of Naples, southern Italy. It is the main symbol of the architecture of the city...

 of Naples

Naples

Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

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

Piacenza

Piacenza is a city and comune in the Emilia-Romagna region of northern Italy. It is the capital of the province of Piacenza...

 the emperor Sigismund

Sigismund, Holy Roman Emperor

Sigismund of Luxemburg KG was King of Hungary, of Croatia from 1387 to 1437, of Bohemia from 1419, and Holy Roman Emperor for four years from 1433 until 1437, the last Emperor of the House of Luxemburg. He was also King of Italy from 1431, and of Germany from 1411...

. In 1434–1435 he fought against Niccolò Fortebraccio

Niccolò Fortebraccio

Niccolò Fortebraccio , 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 condottieri....

 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

Republic of Venice

The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

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