John, Duke of Randazzo was duke of Randazzo

Randazzo

Randazzo is a town and comune of Sicily, Italy, in the province of Catania. It is situated at the northern foot of Mount Etna, 70 km NW of Catania by rail. It is the nearest town to the summit of Etna, and is one of the points from which the ascent may be made.-History:In the 13th century the...

, Athens, and Neopatria, Count of Malta

Count of Malta

The County of Malta was a Feudal Lordship of the Kingdom of Sicily, relating to the islands of Malta and Gozo. Malta was essentially a fief within the kingdom, with the title given by Tancred of Sicily the last Norman king of Sicily to Margaritus of Brindisi in 1190 who earned acclaim as the Grand...

 and regent of Sicily

Sicily

Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

 (1342–1348).

The fourth son of Frederick III of Sicily

Frederick III of Sicily

Frederick II was the regent and subsequently King of Sicily from 1295 until his death. He was the third son of Peter III of Aragon and served in the War of the Sicilian Vespers on behalf of his father and brothers, Alfonso and James...

 and Eleanor of Anjou

Eleanor of Anjou

Eleanor of Naples was the Queen consort of Frederick III of Sicily. She was a member of the Capetian House of Anjou by birth.-Family:She was the third daughter of Charles II of Naples and Mary of Hungary....

, he was the most powerful nobleman in Sicily during the reigns of his brother Peter

Peter II of Sicily

Peter II was crowned King of Sicily in 1321 and gained full sovereignty when his father died in 1337....

 and his nephew Louis

Louis of Sicily

Louis the Child was King of Sicily from 1342 to 1355.Born in Catania, he was the son of Peter II, whom he succeeded at the age of five, and his mother was Elisabeth of Carinthia. His reign began under the joint regency of his uncle John, Duke of Randazzo, and his mother.He lived at Randazzo...

, during whose minority he was regent.

He kept the peace during regency, though he supported the Catalan

Catalonia

Catalonia is an autonomous community in northeastern Spain, with the official status of a "nationality" of Spain. Catalonia comprises four provinces: Barcelona, Girona, Lleida, and Tarragona. Its capital and largest city is Barcelona. Catalonia covers an area of 32,114 km² and has an...

 party over the local Italian nobility. Thus he appointed Blasco II de Alagona

Blasco II de Alagona

Blasco II de Alagona , called the Young, was a very influential nobleman in fourteenth century Sicily. He was probably born in Sicily, of an Aragonese family. He succeeded his father Blasco I....

, a Catalan, as his successor. War broke out upon his death during the Plague

Black Death

The Black Death was one of the most devastating pandemics in human history, peaking in Europe between 1348 and 1350. Of several competing theories, the dominant explanation for the Black Death is the plague theory, which attributes the outbreak to the bacterium Yersinia pestis. Thought to have...

.

He was buried next to his father and nephew in the cathedral of Catania.