John I was the duke of Naples from September 711 to his death, probably in 719.The first year in which a new duke appears. The main source for his reign is the ''Chronicon ducum et principum Beneventi, Salerni, et Capuae et ducum Neapolis''. In 716, while a pestilence swept through Naples,

Romuald II of Benevento Romuald II the Younger (died 732724 in the ''Lexikon''.) was the son of Gisulf I and Winiperga. He succeeded as duke of Benevento on the death of his father, which is dated variously as 698, 706, or 707. According to Paul the Deacon, Gisulf rei ...

occupied the castle of

Cumae Cumae ( grc, Κύμη, (Kumē) or or ; it, Cuma) was the first ancient Greek colony on the mainland of Italy, founded by settlers from Euboea in the 8th century BC and soon becoming one of the strongest colonies. It later became a rich Ro ...

. Immediately,

Pope Gregory II Pope Gregory II ( la, Gregorius II; 669 – 11 February 731) was the bishop of Rome from 19 May 715 to his death.

ordered him to return it and offered compensation if he would. He did not and John led an army against him in 717. As promised, the pope himself contributed 70 pounds of gold to the undertaking.

Sources

*Caravale, Mario (ed). ''Dizionario Biografico degli Italiani: LV Ginammi – Giovanni da Crema''.

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

, 2000.

References

719 deaths 8th-century dukes of Naples Year of birth unknown {{Italy-noble-stub