Oberto Pelavicino or Pallavicino (1197-1269) 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...

 field captain under Frederick II, Holy Roman Emperor

Frederick II, Holy Roman Emperor

Frederick II , was one of the most powerful Holy Roman Emperors of the Middle Ages and head of the House of Hohenstaufen. His political and cultural ambitions, based in Sicily and stretching through Italy to Germany, and even to Jerusalem, were enormous...

. He was a member of the noble Pallavicini

Pallavicini

The Pallavicini, Pallavicino, were an Italian noble family descended from Oberto I . The first Pallavicino fief was created by Oberto II, who received them it by Frederick Barbarossa in 1162...

 family.

Pelavicino supported Frederick II against pope Gregory IX

Pope Gregory IX

Pope Gregory IX, born Ugolino di Conti, was pope from March 19, 1227 to August 22, 1241.The successor of Pope Honorius III , he fully inherited the traditions of Pope Gregory VII and of his uncle Pope Innocent III , and zealously continued their policy of Papal supremacy.-Early life:Ugolino was...

 since 1234. Starting in 1250, he subdued the cities of Parma

Parma

Parma is a city in the Italian region of Emilia-Romagna famous for its ham, its cheese, its architecture and the fine countryside around it. This is the home of the University of Parma, one of the oldest universities in the world....

, Cremona

Cremona

Cremona is a city and comune in northern Italy, situated in Lombardy, on the left bank of the Po River in the middle of the Pianura Padana . It is the capital of the province of Cremona and the seat of the local City and Province governments...

, 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...

, Pavia

Pavia

Pavia , the ancient Ticinum, is a town and comune of south-western Lombardy, northern Italy, 35 km south of Milan on the lower Ticino river near its confluence with the Po. It is the capital of the province of Pavia. It has a population of c. 71,000...

, and Brescia

Brescia

Brescia is a city and comune in the region of Lombardy in northern Italy. It is situated at the foot of the Alps, between the Mella and the Naviglio, with a population of around 197,000. It is the second largest city in Lombardy, after the capital, Milan...

. Due to jealousness at Ezzelino III da Romano

Ezzelino III da Romano

Ezzelino III da Romano was an Italian feudal lord in the March of Treviso who was a close ally of the emperor Frederick II and ruled Verona, Vicenza and Padua for almost two decades...

, Pelavicino joined the party of the Guelphs

Guelphs and Ghibellines

The Guelphs and Ghibellines were factions supporting the Pope and the Holy Roman Emperor, respectively, in central and northern Italy. During the 12th and 13th centuries, the split between these two parties was a particularly important aspect of the internal policy of the Italian city-states...

 and took a great part in the victory of the lombardic

Lombardy

Lombardy is one of the 20 regions of Italy. The capital is Milan. One-sixth of Italy's population lives in Lombardy and about one fifth of Italy's GDP is produced in this region, making it the most populous and richest region in the country and one of the richest in the whole of Europe...

-guelphish League of towns

League of towns

A league of towns is an alliance of two or more, usually geographically close, towns and/or cities for the protection of their political and/or economic interests....

 over Ezzelino at the Battle of Cassano (1259)

Battle of Cassano (1259)

The Battle of Cassano was fought in the Autumn of 1259 between a Guelph and a Ghibelline army in northern Italy.In 1259, Ezzelino da Romano and his Ghibelline army moved into Lombardy and besieged Orci Novi. But the approach of the Guelph army forced Ezzelino to abandon the siege and cross the...

. For this, he was awarded with the cities of Milano, Como

Como

Como is a city and comune in Lombardy, Italy.It is the administrative capital of the Province of Como....

, Lodi, Novara

Novara

Novara is the capital city of the province of Novara in the Piedmont region in northwest Italy, to the west of Milan. With c. 105,000 inhabitants, it is the second most populous city in Piedmont after Turin. It is an important crossroads for commercial traffic along the routes from Milan to Turin...

, Tortona

Tortona

Tortona is a comune of Piemonte, in the Province of Alessandria, Italy. Tortona is sited on the right bank of the Scrivia between the plain of Marengo and the foothills of the Ligurian Apennines.-History:...

, and Alessandria

Alessandria

-Monuments:* The Citadel * The church of Santa Maria di Castello * The church of Santa Maria del Carmine * Palazzo Ghilini * Università del Piemonte Orientale-Museums:* The Marengo Battle Museum...

.

When Charles I of Sicily

Charles I of Sicily

Charles I , known also as Charles of Anjou, was the King of Sicily by conquest from 1266, though he had received it as a papal grant in 1262 and was expelled from the island in the aftermath of the Sicilian Vespers of 1282...

 invaded Lombardy

Lombardy

Lombardy is one of the 20 regions of Italy. The capital is Milan. One-sixth of Italy's population lives in Lombardy and about one fifth of Italy's GDP is produced in this region, making it the most populous and richest region in the country and one of the richest in the whole of Europe...

, Pelavicino fought again for the Guelphs, but was beaten several times.