Sergius I, Duke of Naples

• Name	Sergius I
  Relationship	with Robert Alan Roy
  History	birth to death
  	He was also known as Sergio I. [1] Sergius I was living between 840 and 864. [1]
  Person ID	I5812	| Roy Line, Boudreau Line
  Last Modified	19 Sep 2019

  
  

  Father	Marinus
  Mother	Eupraxia
  Marriage	yes, date unknown
  Family ID	F4416	Group Sheet  |  Family Chart

  
  

  Family	Drosu  [1]
  Children	1. Gregory III, Duke of Naples   d. 870
  Family ID	F4415	Group Sheet  |  Family Chart
  Last Modified	19 Sep 2019

  
  

• Sources

  [S60] Stuart, Roderick W. Royalty for Commoners, The Complete Known Lineage of John of Gaunt, Son of Edward III, King of England, and Queen Philippa Fourth Edition, (Baltimore, Maryland: Genealogical Publishing Company, 2002).