The Visconti of Pisa and Sardinia were an Italian noble dynasty of the Middle Ages. They achieved prominence first in Pisa, then in Sardinia, where they became rulers of

Gallura Gallura ( sdn, Gaddura or ; sc, Caddura ) is a region in North-Eastern Sardinia, Italy. The name ''Gallùra'' is allegedly supposed to mean "stony area". Geography Gallùra has a surface of and it is situated between 40°55'20"64 latitude ...

History

The first Visconti of note in Pisa was Alberto, who bore the title patrician. Alberto's son, Eldizio, bore the titles patrician and

consul Consul (abbrev. ''cos.''; Latin plural ''consules'') was the title of one of the two chief magistrates of the Roman Republic, and subsequently also an important title under the Roman Empire. The title was used in other European city-states throug ...

from 1184 to 1185. It was Eldizio's sons, Lamberto and Ubaldo I, who brought the family to the height of its influence in Pisa and Sardinia. Both of them carried the title of patrician and each served a term as '' podestà''. In 1212, various factions (pro- and anti-Visconti) clashed for control over Pisa. In mid-January 1213,

William I of Cagliari William I (c. 1160–1214), royal name Salusio IV, was the '' judike'' of Cagliari, meaning "King", from 1188 to his death. His descendants and those of his immediate competitors intermarried to form the backbone of the Italian Aristocracy, an ...

led a coalition of anti-Visconti forces to victory in battle near

Massa Massa may refer to: Places *Massa, Tuscany, the administrative seat of the Italian province of Massa-Carrara. *Massa (river), river in Switzerland * Massa (Tanzanian ward), administrative ward in the Mpwapwa district of the Dodoma Region of Ta ...

over the combined forces of

Lucca Lucca ( , ) is a city and ''comune'' in Tuscany, Central Italy, on the Serchio River, in a fertile plain near the Ligurian Sea. The city has a population of about 89,000, while its province has a population of 383,957. Lucca is known as one ...

and the Visconti under Ubaldo. Afterward, Pisa divided power between four '' rectores'', one of which was a Visconti. The Visconti of Sardinia continued to take a part in Pisan politics to the end of the century, but their influence there was greatly diminished after 1213. In Sardinia, Eldizio had married a daughter of Torchitorio III of Cagliari, who became the mother of Lamberto and Ubaldo. In 1207, Lamberto married Elena, the heiress of Barisone II of Gallura, thus securing control over the northeastern corner of Sardinia with his capital at Civita. In 1215, he and Ubaldo established their hegemony over the

Giudicato of Cagliari The Judicate of Cagliari ( sc, Judicadu de Càralis / Càlaris, it, Giudicato di Cagliari) was one of the four Sardinian '' judicates'' of the Middle Ages, kingdoms of Byzantine origins. The Judicate of Cagliari covered the entire south and centr ...

in the south of the island as well. Through advantageous marriages, Lamberto's son, Ubaldo II, secured power in Logudoro for a time. By mid century, Pisan authority was unopposed in Sardinia, thanks to intermarriages between the Visconti family and the other great families of Pisa (

Gherardeschi The House della Gherardesca was an old noble family of the Republic of Pisa, dating back as early as the 11th century of Longobard origin. They were an important one of the most prominent initially in Pisa, then of Volterra and eventually and of F ...

and

Capraia Capraia is an Italian island, the northwesternmost of the seven islands of the Tuscan Archipelago, and the third largest after Elba and Giglio. It is also a ''comune'' (Capraia Isola) belonging to the Province of Livorno. The island has a p ...

) and Sardinia (Lacon and Bas-Serra).

Visconti rulers of Gallura

* Lambert (1207–1225) * Ubaldo (1225–1238) * John (1238–1275) * Nino (1275–1298) – his wife Beatrice d'Este (d. 15 September 1334) married secondly on 24 June 1300 to

Galeazzo I Visconti Galeazzo I Visconti (21 January 1277 – 6 August 1328) was lord of Milan from 1322 to 1327. After being chosen Captain of Milan, he defeated two papal armies and was excommunicated by Pope John XXII. Temporarily imprisoned for murder, Galeazzo re ...

(1277–1328), Lord of Milan * Joanna (1298–1308), stepsister of

Azzone Visconti Azzone Visconti (7 December 1302 – 16 August 1339) was lord of Milan from 1329 until his death. After the death of his uncle, Marco Visconti, he was threatened with excommunication and had to submit to Pope John XXII. Azzone reconstituted his fa ...

of the Milan line

References

*{{cite book, title=Nino Visconti di Gallura, first=Michele, last=Tamponi, publisher=Viella, year=2010, isbn=978-88-8334-454-1, language=it , oclc=708357336