Duchy of Naples

The Duchy of Naples ( Ducatus Neapolitanus ) was from the 9th to the 12th century, a de facto independent state in Southern Italy with Naples as the city center. The area originally belonged to the Byzantine Empire, but his dukes managed to break free from its supremacy. In 1137 the Norman King Roger II of Sicily was the city and the Duchy incorporate his kingdom.

Dukes of Naples since the de facto independence

The list of the dukes of Naples begins in the year 661, in which it is to 763 by Byzantine governors. Since 763, the dukes were de facto independent from the Byzantine Empire.

  • Stephanos II 755-766
  • Gregorios II 766-788/794
  • Theophylaktos II 788/794-801
  • Antimos 801-818
  • ...
  • Stephanos III. 821-832
  • Bono 832-834
  • Leon 834
  • Andrew II 834-840/844
  • Contard 840/844

Dukes of Naples, Sergius family dynasty, 840-1137

  • Sergius I. 840/846-864/5
  • Gregorios III. 864/5-870
  • Sergius II 870-877
  • Athanasios 877-898
  • Gregory IV 898-915
  • John II 915-919
  • Marinus I. 919-928
  • John III. 928-968/9
  • Marinus II 968/9-977
  • Sergius III. 977-999
  • John IV 999-1002
  • Sergius IV 1002-1036
  • John V. 1036-1050
  • Sergius V. 1050-1082
  • Sergius VI. 1082-1097
  • John VI. 1097-1120/23
  • Sergius VII 1120/23-1137
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