Family: William III "the Great", Count of Poitou / Agnes of Burgundy, Princess of Lombardy (F2333)

• Male William III "the Great", Count of Poitou

  
  

  Birth	About 969
  Death	31 Jan 1030
  Burial
  Marriage	1019  [1]
  Father	William II, Count of Poitou | F2334 Group Sheet
  Mother	Emma of Blois | F2334 Group Sheet

  
  

  Female Agnes of Burgundy, Princess of Lombardy

  
  

  Birth	About 995
  Death	10 Nov 1068
  Burial
  Father	Otto William, King of Lombardy | F2496 Group Sheet
  Mother	Ermentrude de Roucy, Queen of Lombardy, Countess of Mâcon | F2496 Group Sheet

  
  

  Male William IV, Count of Poitou

  
  

  Birth	About 1024
  Death	25 Sep 1089
  Burial
  Spouse	Hildegarde of Burgundy, Duchess consort of Gascony and Aquitaine | F2328
  Marriage	1068/69

  
  

  Male + William V, Count of Poitou

  
  

  Birth	About 1023
  Death	1058
  Burial
  Spouse	Ermesinde of Longwy | F3055
  Marriage	1051

  
  

  Female + Agnes of Poitou

  
  

  Birth
  Death	14 Dec 1077
  Burial
  Spouse	Henry III, Holy Roman Emperor | F2574
  Marriage	21 Nov 1043

  
  

  Female + Beatrix of Poitou

  
  

  Birth
  Death
  Burial
  Spouse	Raymond I, Count of Melgueil | F3922
  Marriage	Before 1055

  
  

• 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).