William IV, Count of Poitou

1024 - 1089  (65 years)

• Name	William IV
  Birth	About 1024  [1, 2]
  General Information	He was also William VIII Duke of Aquitaine. He was also called Gui Geoffrey.  [1]
  Title(s)	1058 (34 years)  [2]
  In 1058, he became the Count of Poitou.
  Death	25 Sep 1089  [1, 2]
  Siblings	1 brother and 2 sisters
  + 1. William IV, Count of Poitou,   b. About 1024   d. 25 Sep 1089  (Age 65 years) ▻ Hildegarde of Burgundy, Duchess consort of Gascony and Aquitaine,  m. 1068/69 + 2. William V, Count of Poitou,   b. About 1023   d. 1058  (Age 35 years) ▻ Ermesinde of Longwy,  m. 1051 + 3. Agnes of Poitou   d. 14 Dec 1077 ▻ Henry III, Holy Roman Emperor,  m. 21 Nov 1043 + 4. Beatrix of Poitou ▻ Raymond I, Count of Melgueil,  m. Before 1055
  Patriarch & Matriarch	Gerard I, Count of Auvergne   d. 25 Jun 841  (5 x Great Grandfather)  Waldrada   d. 868, Remiremont, Grand Est, France   (6 x Great Grandmother)
  Person ID, Branch	I2946	Roy Line, Boudreau Line
  Last Modified	21 Oct 2021

  
  

  Father	William III, Count of Poitou,   b. About 969   d. 31 Jan 1030 (Age 61 years)
  Relationship	Birth
  Mother	Agnes of Burgundy, Princess of Lombardy,   b. About 995   d. 10 Nov 1068 (Age 73 years)
  Relationship	Birth
  Family ID	F2333	Group Sheet  |  Family Chart

  
  

  Spouse / Partner	Hildegarde of Burgundy, Duchess consort of Gascony and Aquitaine,   b. Abt 1056   d. 1104 (Age 48 years)
  Marriage	1068/69  [1, 2]
  Age at Marriage	He : ~ 45 years - She : ~ 13 years.
  Information	When their first child, William, Was born the Church at first considered him illegitimate because of his parents’ consanguinity. This obliged his father to make a pilgrimage to Rome soon after his birth to seek papal approval of his marriage to Hildegarde.   [3]
  Children	1 son and 2 daughters
  +   1. William VII, Count of Poitou,   b. 22 Oct 1071, Poitou, Nouvelle Aquitaine, France d. 10 Feb 1127 (Age 55 years)  [Father: Birth]  [Mother: Birth] ▻ Philippa (Mathilde) of Toulouse, Regent of Toulouse  m. 1094 >   2. Beatrice of Aquitaine   d. 1110 ▻ Alfonso VI of León and Castile, King of Castile, León, and Navarre  m. 1108     3. Agnes of Aquitaine, Queen of Aragon and Navarre  [Father: Birth]  [Mother: Birth]
  Family ID	F2328	Group Sheet  |  Family Chart
  Last Modified	21 Oct 2021

  
  

• Pedigree

  ← Click to display 1William IV, Count of Poitou(1024 – 1089) 2William III, Count of Poitou(969 – 1030) 4William II, Count of Poitou(937 – 995) 8William I, Count of Poitou(925 – 963) 16Ebbles Mancer, Count of Poitou and Duke of Aquitaine(890 – 932) 17Emiliane 9Gerloc of Normandy(Abt 920 – 962) 18Rolf Ragnvaldsson, Duke of Normandy(Abt 870 – 932) 19Poppa de Bayeux(Abt 872 – ) 5Emma of Blois(950 – 1004) 10Theobald II, Count of Blois(910 – 975) 20Theobald I, Viscount of Troyes( – About 942/43) 21Richilde(892 – 942) 11Luitgarde de Vermandois(920 – 943) 22Herbert II, Count of Vermandois and Troyes(887 – 943) 23Hildebrande of Neustria, Princess of the West Franks(887 – 943) 3Agnes of Burgundy, Princess of Lombardy(995 – 1068) 6Otto William, King of Lombardy(958/959 – 1026) 12Adalbert II, King of Lombardy, Joint-King of Italy(0936 – 971) 24Berenger II, King of Italy( – 966) 25Willa of Arles 13Gerberge( – 991) 26Lambert, Count of Chaions, Viscount of Dijon and Autun( – 979) 27Adelais 7Ermentrude de Roucy, Queen of Lombardy, Countess of Mâcon(958 – 1005) 14Renaud, Count of Rheims and Roucy(926 – 967) 28Ragnvald 29 15Alberade of Lorraine(930 – 973) 30Giselbert, Duke of Lorraine(890 – 939) 31Gerberga of Saxony(913/914 – 984)

  
  

• Sources 🟢 Primary Evidence 🟡 Secondary Evidence 🟠 Tertiary Evidence 🔴 Unreliable Evidence

  [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). [S59] Weis, Frederick Lewis. Ancestral Roots of Sixty Colonists Who Came to New England Between 1623 and 1650 Fifth Editionif, (Baltimore, Maryland: Genealogical Publishing Co., 1982). [S304] Wikipedia, Hildegarde of Burgundy.