Eustace IV, Count of Boulogne

Abt 1129 - 1153  (24 years)

• Name	Eustace IV
  Birth	Abt 1129  [1, 2]
  Title(s)	1150 (21 years)  [1, 2]
  Eustace became the Count of Boulogne.
  Death	10 Aug 1153  [1, 2]
  He died without heirs. [1]
  Siblings	2 brothers and 2 sisters
  1. Baldwin de Boulogne + 2. Eustace IV, Count of Boulogne,   b. Abt 1129   d. 10 Aug 1153  (Age 24 years) ▻ Constance,  m. Feb 1140 > 3. Sir William FitzRoy, Count of Boulogne and Mortain ,   b. Abt 1135   d. Oct 1159, France  (Age 24 years) ▻ Isabel de Warenne, Countess of Surrey > 4. Matilda,   b. Abt 1133   d. Abt 1135, Tower of London, London, England  (Age 2 years) ▻ Waleran IV, Count of Meulan, Earl of Worcester,  m. Abt 1134 + 5. Mary of Blois, Princess of England,   b. Abt 1131, Blois, Loir-et-Cher, Centre-Val de Loire, France d. 25 Jul 1180  (Age 49 years) ▻ Matthew of Alsace, Comte de Boulogne,  m. 1160
  Half siblings	2 half brothers and 1 person of an unknown gender (family of Stephen of Blois and Dameta de Normandie )
  1. Almaric   2. Ralph   3. Gervaise of Westminster, Abbot of Westminster Abbey,   b. Between 1115 and 1120   d. 1160  (Age 45 years)
  Half siblings	1 half brother and 1 half sister (family of Stephen of Blois and "Unknown")
  1. William > 2. Sybilla   d. 1141 ▻ Hervey le Breton of Léon, Earl of Wiltshire
  Patriarch & Matriarch	Theobald I, Viscount of Troyes   d. About 942/43  (5 x Great Grandfather)  Ita of Swabia  (7 x Great Grandmother)
  Person ID, Branch	I3325	Boudreau Line
  Last Modified	25 May 2020

  
  

• Notes

  Stuart (2002) states he was unmarried, and that Eustace de Champagne's mother was an unknown mistress of Eustace IV. [2]

  
  

Father	Stephen of Blois, King of England ,   b. 1095/96, Blois, Loir-et-Cher, Centre-Val de Loire, France d. 25 Oct 1154, Dover Castle, Dover, Kent, England Dover Castle, Dover, Kent, England (Age 58 years)
Relationship	Birth
Mother	Matilda, Countess of Boulogne,   b. Abt 1105, County of Boulogne, France d. 3 May 1151, Hedingham Castle, Castle Hedingham, Essex, England (Age 46 years)
Relationship	Birth
Family ID	F2446	Group Sheet  |  Family Chart




Spouse / Partner	Constance,   b. France   [1]
Marriage	Feb 1140  [1]
Age at Marriage	He : ~ 11 years and 2 months - She : ??.
Children	+   1. Eustachie de Champagne  [Father: Birth]  [Mother: Birth] ▻ Anselme Candavene, Count of St. Pol
Family ID	F2720	Group Sheet  |  Family Chart
Last Modified	25 May 2020




• Pedigree

  ← Click to display 1Eustace IV, Count of Boulogne(Abt 1129 – 1153) 2Stephen of Blois, King of England (1095/96 – 1154) 4Stephen III, Count of Blois(1046 – 1102) 8Theobald III, Count of Champagne(1012 – 1089) 16Eudes II, Count of Blois and Champagne(990 – 1037) 17Ermengarde of Auvergne( – 1040) 9Alix de Crepi 18 19 5Adele of Normandy, Princess of England(1062 – 8 Mar 1137/38) 10William I, King of England(1027 – 1087) 20Robert I, Duke of Normandy(1000 – 1035) 21Herleva de Falaise(1012 – 1050) 11Maltilda of Flanders, Duchess of Normandy and Queen of England(1032 – 1083) 22Baldwin V de Lille, Count of Flanders(1012 – 1067) 23Adelaide of France, Princess of France(1009 – 1078) 3Matilda, Countess of Boulogne(Abt 1105 – 1151) 6Eustace III, Count of Boulogne and Lens(Abt 1058 – 1125) 12Eustace II, Count of Boulogne and Lens(Abt 1020 – 1093) 24Eustace I, Count of Boulogne(Abt 1004 – 1049) 25Matilda of Louvain 13Ida of Lorraine(1040 – 1113) 26Geoffrey II, Duke of Upper and Lower Lorraine, Count of Verdun( – 1069) 27Doda 7Mary, Princess of Scotland( – 1116) 14Malcolm III, King of the Scots(1031 – 1093) 28Duncan I MacCrinan, King of the Scots(1007 – 1040) 29Suthen(1009 – 1040) 15Saint Margaret of Scotland(1045 – 1093) 30Edward the Atheling(1016 – 1057) 31Agatha von Braunschweig(1030 – 1067)

  
  

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

  [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). [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).