Gregory III, Duke of Naples

- 870

• Name	Gregory III
  Relationship	with Robert Alan Roy
  History	birth to death
  	He gave minimal obedience to the Basileus (Emperor of the East) at Constantinople. [1]
  Death	870  [1]
  Person ID	I5811	| Roy Line, Boudreau Line
  Last Modified	19 Sep 2019

  
  

  Father	Sergius I, Duke of Naples
  Mother	Drosu
  Family ID	F4415	Group Sheet  |  Family Chart

  
  

  Children	1. Athenasius, Duke and Bishop of Naples   d. Abt 900
  Family ID	F4414	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).