Oberto I Obizzo (died 15 October 975) 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...

 count palatine

Count palatine

Count palatine is a high noble title, used to render several comital styles, in some cases also shortened to Palatine, which can have other meanings as well.-Comes palatinus:...

 and margrave

Margrave

A margrave or margravine was a medieval hereditary nobleman with military responsibilities in a border province of a kingdom. Border provinces usually had more exposure to military incursions from the outside, compared to interior provinces, and thus a margrave usually had larger and more active...

 and the oldest known member of the Obertenghi

Obertenghi

The Obertenghi were a family of Italian nobility descended from Count Obert I of Luni, the first margrave of Milan and Eastern Liguria, a march called the marca Januensis, marca Obertenga or march of Genoa....

 family. He was, by heredity, Count of Milan from 951. Otbert's father was Margrave Adalbert, about whom nothing is known other than his name and title.

Soon after assuming the Italian throne

King of Italy

King of Italy is a title adopted by many rulers of the Italian peninsula after the fall of the Roman Empire...

, Berengar II reorganised his territories south of the Po River

Po River

The Po |Ligurian]]: Bodincus or Bodencus) is a river that flows either or – considering the length of the Maira, a right bank tributary – eastward across northern Italy, from a spring seeping from a stony hillside at Pian del Re, a flat place at the head of the Val Po under the northwest face...

, dividing them into three new marches

Marches

A march or mark refers to a border region similar to a frontier, such as the Welsh Marches, the borderland between England and Wales. During the Frankish Carolingian Dynasty, the word spread throughout Europe....

 (frontier districts) named after their respective margraves: the marca Aleramica of Aleram of Montferrat, the marca Arduinica of Arduin Glaber

Arduin Glaber

Arduin Glaber was the Count of Auriate from c. 935 and Margrave of Turin from c. 950. He placed his family, the Arduinici, on a firm foundation and established the march of Turin through conquests and royal concessions...

, and the marca Obertenga of Oberto. This last division consisted of eastern Liguria

Liguria

Liguria is a coastal region of north-western Italy, the third smallest of the Italian regions. Its capital is Genoa. It is a popular region with tourists for its beautiful beaches, picturesque little towns, and good food.-Geography:...

 and was also known as the marca Januensis or March of Genoa

Genoa

Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

. It consisted of Tuscany with the cities of Genoa, Luni

Lunigiana

The Lunigiana is an historical territory of Italy, which today falls within the provinces of La Spezia and Massa Carrara. Its borders derive from the ancient Roman settlement, later the medieval diocese of Luni, which no longer exists....

, 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:...

, 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....

, and 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...

.

In 960, he had to take refuge in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. The next year, Pope John XII

Pope John XII

Pope John XII , born Octavianus, was Pope from December 16, 955, to May 14, 964. The son of Alberic II, Patrician of Rome , and his stepsister Alda of Vienne, he was a seventh generation descendant of Charlemagne on his mother's side.Before his death, Alberic administered an oath to the Roman...

 asked Otto I of Germany to intervene in Italy to protect him from Berengar. When Otto took control of Italy, Oberto was able to return to his lands, with the title of count palatine confirmed by Otto.

He was succeeded as Count of Milan by his sons Adalberto II of Milan and later Oberto II. His great-grandson Albert Azzo II, Margrave of Milan

Albert Azzo II, Margrave of Milan

Alberto Azzo II , Margrave of Milan, and Liguria, Count of Gavello and Padua, Rovigo, Lunigiana, Monselice, and Montagnana, aka, Albertezzo II, was a powerful nobleman in the Holy Roman Empire...

 founded the House of Este; this makes Otbert the top ancestor

Top ancestor

In genealogy, a top ancestor is the oldest ancestor in a continuous sequence of ancestors. This means, that a continuous line of parent-child connections exists between the top ancestor and the subject of the genealogical study, such as a living person...

 of the House of Este as well as of its branches, the House of Welf and the House of Hanover

House of Hanover

The House of Hanover is a deposed German royal dynasty which has ruled the Duchy of Brunswick-Lüneburg , the Kingdom of Hanover, the Kingdom of Great Britain, the Kingdom of Ireland and the United Kingdom of Great Britain and Ireland...

.

External links

• History of Obertenga (in Italian)