John nicknamed Chiano, was the Giudici of Arborea

Giudice of Arborea

The Giudici ) of Arborea were the local rulers of the west of Sardinia during the Middle Ages...

 from 1297 to his death.

He was the son and successor of Marianus II

Marianus II of Arborea

Marianus II was the Giudici of Arborea from 1241 to his death. With skilled military action, he came to control more than half of the island of Sardinia...

 and reigned initially under the tutelage of Tosorat Uberti, a Pisa

Pisa

Pisa is a city in Tuscany, Central Italy, on the right bank of the mouth of the River Arno on the Tyrrhenian Sea. It is the capital city of the Province of Pisa...

n nobleman. Nino Visconti

Nino Visconti

Ugolino Visconti , better known as Nino, was the Giudice of Gallura from 1275 or 1276 to his death. He was a son of Giovanni Visconti and nephew of Ugolino della Gherardesca. He was the first husband of Beatrice, daughter of Obizzo II d'Este...

 of Gallura

Giudicato of Gallura

The Giudicato of Gallura was one of four Sardinian giudicati of the Middle Ages. These were de facto independent states ruled by judges bearing the title iudex . Gallura, a name which comes from gallus, meaning rooster , was subdivided into ten curatoriae governed by curatores under the judge...

 having been deposed in 1288, John was the only judge and Arborea the only giudicato left on the island of Sardinia

Sardinia

Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

. Shortly after his succession, Pope Boniface VIII

Pope Boniface VIII

Pope Boniface VIII , born Benedetto Gaetani, was Pope of the Catholic Church from 1294 to 1303. Today, Boniface VIII is probably best remembered for his feuds with Dante, who placed him in the Eighth circle of Hell in his Divina Commedia, among the Simonists.- Biography :Gaetani was born in 1235 in...

, completely ignoring active statutes, proclaimed a Regnum Sardiniae et Corsicae

Kingdom of Sardinia

The Kingdom of Sardinia consisted of the island of Sardinia first as a part of the Crown of Aragon and subsequently the Spanish Empire , and second as a part of the composite state of the House of Savoy . Its capital was originally Cagliari, in the south of the island, and later Turin, on the...

: Kingdom of Sardinia and Corsica. He named James II of Aragon

James II of Aragon

James II , called the Just was the King of Sicily from 1285 to 1296 and King of Aragon and Valencia and Count of Barcelona from 1291 to 1327. In 1297 he was granted the Kingdom of Sardinia and Corsica...

 King and paved the way for the invasion of the two islands.

John prepared to resist. In 1300, he ceded (or sold) to Pisa the third of Cagliari

Giudicato of Cagliari

The Giudicato of Cagliari was one of the four Sardinian giudicati of the Middle Ages. It covered the entire south and central east portion of the island and was composed of thirteen subdivisions called curatoriae. To its north and west lay Arborea and north and on the east lay Gallura and Logudoro...

 which he ruled, the silver mines, and, perhaps, part of the judicial demesne. This last — the alienation of public land — released the people to revolt (bannus consensus) and they did so, executing John and cutting out his tongue.

He married Giacomina (died 12 February 1329), daughter of Ugolino della Gherardesca

Ugolino della Gherardesca

Count Ugolino della Gherardesca , count of Donoratico, was an Italian nobleman, politician and naval commander. He was frequently accused of treason and features prominently in Dante's Divine Comedy.-Biography:...

, in 1287, on the advice of his father, though he already had sons through a liaison with Vera Cappai di Villasalto. He was succeeded by his sons Andrew

Andrew of Arborea

Andrew was the Giudici of Arborea from 1304.He was the elder of two illegitimate sons of John and Vera Cappai. He co-ruled with his brother Marianus III, but he had the supremacy and the title autocrator basileus...

 and Marianus

Marianus III of Arborea

Marianus III was the sole Giudici of Arborea from 1308 to his death. He co-ruled with his elder brother Andrew from the death of their father, John of Arborea, in 1304. Their mother was Vera Cappai, from which they took the family name Cappai de Bas...

. He left a legitimate daughter, Joanna, who died in 1308.
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