was in 951 graaf van Tortona en was een tegenstander van Berengarius II van Italië. Hij moest daarom in 960 naar Otto I de Grote vluchten. Toen Otto Berengarius had verslagen werd Oberto Azzo benoemd tot markgraaf van de oostelijke mark van Italië. Hij was ook voogd van de abdij van Bobbio.
Oberto I Obizzo (also Otbert) (died 15 October 975) was an Italian count palatine and margrave and the oldest known member of the Obertenghi 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, Berengar II reorganised his territories south of the Po River, dividing them into three new marches (frontier districts) named after their respective margraves: the marca Aleramica of Aleram of Montferrat, the marca Arduinica of Arduin Glaber, and the marca Obertenga of Oberto. This last division consisted of eastern Liguria and was also known as the marca Januensis or March of Genoa. It consisted of Tuscany with the cities of Genoa, Luni, Tortona, Parma, and Piacenza.
In 960, he had to take refuge in Germany. The next year, Pope John XII 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 founded the House of Este; this makes Otbert the top ancestor of the House of Este as well as of its branches, the House of Welf and the House of Hanover.
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.
Early in 951, Berengar II of Italy finished the reorganisation of the Italian feudal structure begun by his predecessor Hugh. He named three new margraves to three new territories:
Aleram, Count of Vercelli, he named margrave of Western Liguria: (Vercelli, Monferrato, Ceva, Acqui Terme, Oneglia, Albenga) (marca Aleramica);
Arduin Glaber was elevated from count to margrave of Turin: (Torino, Ivrea, Maritime Alps, Nizza, Ventimiglia, Sanremo) (the marca Arduinica);
Obert I margrave of Milan and count of Luni, was given the new marca Obertenga, Milan and Eastern Liguria. Eastern Liguria at this time contained the counties of Genoa, Luni, Tortona, Bobbio, Parma and Piacenza, Modena and Reggio Emilia, Ferrara, Ascoli Piceno.
The Obertenghi margraviate was the source of the fiefs of the Este, Pallavicini, Vicini, Malaspina, Fieschi, Della Torre, Visconti of Gallura, Parodi, Pinelli, Lupi, Massa, Della Berardenga, Cavalcabò, Adalbertina, etc.
Hij is getrouwd met Guillia van Spoleto.
Zij zijn getrouwd.
Kind(eren):
grootouders
ouders
broers/zussen
kinderen
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