William I "Longsword" Duke of Normandy

880 - 942  (62 years)  Submit Photo / Document

• Name	William I "Longsword" Duke of Normandy
  Birth	abt. 880
  Gender	Male
  House	Normandy
  Death	17 Dec 942
  Person ID	I10993	St. John Origin and Ancestry DNA Database | St. John Generation One - Raoul de Sancto Johanne
  Last Modified	1 Feb 2022

  
  

  DNA Tests	1 DNA test is associated with William I "Longsword" Duke of Normandy
  	Test Type	Taken by	Haplogroup	Test Information
  	Y-DNA-37	William The Conqueror Duke of Normandy	R1b	Most distant ancestor: Rognvald Eysteinsson, Earl of More and the Orcades

  
  

  Father	Rollo de Normandy, 1st Duke of Normandy,   b. abt. 846   d. abt. 928 (Age 82 years)
  Relationship	Birth
  Mother	Poppa de Valois, Duchess of Norway,   b. abt. 860   d. 932 (Age 72 years)
  Relationship	Birth
  Family ID	F399611	Group Sheet  |  Family Chart

  
  

  Family	Sprota Adela de Senlis, de Bretagne,   b. 911   d. 955 (Age 44 years)
  Children	+ 1. Richard I "The Fearless" Duke of Normandy,   b. 28 Aug 933   d. 20 Nov 996 (Age 63 years)  [Father: Birth]  [Mother: Birth]
  Family ID	F3486	Group Sheet  |  Family Chart
  Last Modified	2 Sep 2014

  
  

• Heraldry

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• Reference

  Suzanne St. John. "William I "Longsword" Duke of Normandy". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I10993&tree=OSA0001 (accessed April 24, 2025).