Sergius IV (died after 1036) was

Duke of Naples The Dukes of Naples were the military commanders of the ''ducatus Neapolitanus'', a Byzantine outpost in Italy, one of the few remaining after the conquest of the Lombards. In 661, Emperor Constans II, highly interested in south Italian affairs (h ...

from 1002 to 1036. He was one of the prime catalysts in the growth of

Norman Norman or Normans may refer to: Ethnic and cultural identity * The Normans, a people partly descended from Norse Vikings who settled in the territory of Normandy in France in the 10th and 11th centuries ** People or things connected with the Norm ...

power in the

Mezzogiorno Southern Italy ( it, Sud Italia or ) also known as ''Meridione'' or ''Mezzogiorno'' (), is a macroregion A macroregion is a geopolitical subdivision that encompasses several traditionally or politically defined regions or countries. The meaning ...

in the first half of the eleventh century. He was nominally a

Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

vassal A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain. W ...

, like his father, John IV, before him. In 1024, he submitted to

Pilgrim, Archbishop of Cologne Pilgrim ( la, Pilgrimus; c. 985 – 25 August 1036) was a statesman and prelate of the Holy Roman Empire. In 1016 he took charge of the chancery of the Kingdom of Italy, and became the first archchancellor in 1031. In 1021 he became Archbishop of C ...

, when the latter was besieging Capua on behalf of

Emperor Henry II Henry II (german: Heinrich II; it, Enrico II; 6 May 973 – 13 July 1024), also known as Saint Henry the Exuberant, Obl. S. B., was Holy Roman Emperor ("Romanorum Imperator") from 1014. He died without an heir in 1024, and was the last ruler o ...

, though his own duchy was not threatened. By this he acquired a reputation for weakness in the eyes of Prince

Pandulf IV of Capua Pandulf IVAlso spelled ''Randulf'', ''Bandulf'', ''Pandulph'', ''Pandolf'', ''Paldolf'', or ''Pandolfo''. (died 1049/50) was the Prince of Capua on three separate occasions. From February 1016 to 1022 he ruled in association with his cousin Pa ...

, the Wolf of the Abruzzi, who had been defeated by Pilgrim. In 1026, Pandulf, returned from captivity, besieged his old capital, now ruled by Pandulf V, the count of

Teano Teano ( Teanese: ) is a town and ''comune'' in the province of Caserta, Campania, southern Italy, northwest of Caserta on the main line to Rome from Naples. It stands at the southeast foot of an extinct volcano, Rocca Monfina. Its St. Clement's ...

. Basil Boioannes, the Greek

catapan of Italy The Catepanate (or Catapanate) of Italy ( el, ''Katepaníkion Italías'') was a Theme (Byzantine district), province of the Byzantine Empire from 965 until 1071. At its greatest extent, it comprised mainland Italy south of a line drawn from Mon ...

, negotiated a surrender and gave Pandulf V safe conduct to Naples, where Sergius offered him asylum. By this, Sergius incurred Pandulf IV's enmity. In the next year (1027), after Sergius' ally Boioannes was recalled, Pandulf attacked Naples and quickly captured it, some say by treachery. Pandulf V fled to

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 ...

and Sergius went into hiding. For Sergius, however, fortune reversed itself when Pandulf IV was abandoned by his Norman ally, Rainulf Drengot in 1029. Sergius and the Duke of Gaeta, his nephew,

John V John V may refer to: * Patriarch John V of Alexandria or John the Merciful (died by 620), Patriarch of Alexandria from 606 to 616 * John V of Constantinople, Patriarch from 669 to 675 * Pope John V (685–686), Pope from 685 to his death in 686 * J ...

, sent an embassy to the Norman to ask his assistance in regaining the Neapolitan duchy. With Rainulf's help, Pandulf IV was chased from Naples and Sergius reinstated. Early in 1030, Sergius gave Rainulf the county of

Aversa Aversa () is a city and ''comune'' in the Province of Caserta in Campania, southern Italy, about 24 km north of Naples. It is the centre of an agricultural district, the ''Agro Aversano'', producing wine and cheese (famous for the typical bu ...

as a fief, the first Norman principality in the region. Sergius also gave his sister in marriage to the new count. In 1034, Pandulf IV instigated a revolt in

Sorrento Sorrento (, ; nap, Surriento ; la, Surrentum) is a town overlooking the Bay of Naples in Southern Italy. A popular tourist destination, Sorrento is located on the Sorrentine Peninsula at the south-eastern terminus of the Circumvesuviana rail ...

and annexed it to Capua. In the same year, Sergius' sister died and Rainulf returned to Pandulf's side. Broken in spirit, Sergius retired to the monastery of the Holy Saviour ''in insula maris'', where the

Castello del'Ovo Castel dell'Ovo ("Egg Castle") is a seafront castle in Naples, located on the former island of Megaride, now a peninsula, on the Gulf of Naples in Italy. The castle's name comes from a legend about the Roman poet Virgil, who had a reputation in ...

now stands. He was succeeded by his son,

. When John went to

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

seeking aid from the Byzantines, Sergius briefly came out of retirement to act as

regent A regent (from Latin : ruling, governing) is a person appointed to govern a state '' pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy ...

. On John's return, Sergius returned to his monastery, where he was still living as late as June 1036. He probably died shortly thereafter. His two retirements explain Amatus of Montecassino's reference to him twice becoming a monk.

References

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External links

History of the Norman World
{{DEFAULTSORT:Sergius 04 Of Naples 1036 deaths 11th-century dukes of Naples Year of birth unknown