Sergius VI of Naples

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Sergius VI (died 1107) was the magister militum and duke of Naples from 1077 to his death. He was the son of the Neapolitan senator John, and succeeded his uncle, John's elder brother, Sergius V. His sister Inmilgia married Duke Landulf of Gaeta.[1] His reign is very obscure because of the slight documentary evidence.

In the face of the Norman conquests, Sergius reinforced the Neapolitan relationship with the Byzantine Empire and was at some point granted the Byzantine title of protosebastos.[2] He apparently gave aid to the Norman prince Jordan I of Capua when the latter broke his alliance with Pope Gregory VII and did homage for his principality to the German emperor Henry IV. The pope wrote to Prince Gisulf II of Salerno asking him to persuade Sergius to break off his support for Jordan and Henry.[3]

Around 1078, Sergius married Limpiasa, a daughter of Prince Richard I of Capua and Fressenda, daughter of Tancred of Hauteville.[1] He was succeeded by their son, John VI, whom he had made co-ruler in 1090.[4][5]


  1. ^ a b Patricia Skinner (1995), Family Power in Southern Italy: The Duchy of Gaeta and Its Neighbours, 850–1139 (Cambridge: Cambridge University Press), p. 48.
  2. ^ Vera von Falkenhausen (2007), "The South Italian Sources," Proceedings of the British Academy, 132: pp. 95–121, at 107.
  3. ^ H. E. J. Cowdrey (1998), Pope Gregory VII, 1073–1085 (Oxford: Clarendon Press), p. 437.
  4. ^ Paul Arthur (2002), Naples, from Roman Town to City-state: An Archaeological Perspective (London: British School at Rome), p. 167.
  5. ^ Catherine Heygate (2013), "Marriage Strategies among the Normans of Southern Italy in the Eleventh Century", Norman Expansion: Connections, Continuities and Contrasts (Ashgate), pp. 165-86, at 182.

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Preceded by
Sergius V
Duke of Naples
1077 – 1107
Succeeded by
John VI