Connected Bloodlines

Guillaume, d’Eu

Male - Aft 1096


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  • Name Guillaume  
    Suffix d’Eu 
    Gender Male 
    Died Aft 1096 
    Notes 
    • “GUILLAUME d'Eu (-2 Jan after 1096). "Robertus comes Augensis…uxore Beatrice et filiis meis Radulfo, Willermo atque Roberto" made donations to the abbey of St Michel, Tréport by a charter dated 1036, witnessed by "Hugo vicecomes". He ravaged Gloucestershire in 1089 after plundering Berkeley castle. He succeeded in [1093] as Comte d'Eu, Lord of Hastings. Florence of Worcester records that "Willelmi comes de Owe" deserted Robert Duke of Normandy in [1093/94] "won over by his greedinness of lucre and attracted by the promise of vast domains" by William II King of England. Florence of Worcester records that "Northymbrensis comes Rotbertus de Mulbrei et Willelmus de Owe" conspired against William II King of England in [1095]095], planning to place "filium amitæ illius Stephanus de Albamarno" on the English throne. The same source records that Guillaume was captured after being vanquished in a duel, and condemned at Salisbury 13 Jan 1096 to be blinded and castrated. m firstly BEATRICE, sister of ROGER de Builly Lord of Tickhill, daughter of --- & his wife ---. The primary source which confirms her origin and marriage has not yet been identified. m secondly HELISENDE d'Avranches, daughter of RICHARD Vicomte d'Avranches & his wife Emma ---. Her marriage is referred to by Orderic Vitalis, who says that she was the sister of Hugh Earl of Chester but does not give her name. Comte Guillaume & his [first/second] wife had three children:
      a) HENRI d'Eu (-Fécamp 12 Jul 1140). "Henricus comes Augensis filius comitis Willermi" made donations to the abbey of St Michel, Tréport with the consent of "Margarita comitissa et fratres supradicti comitis Robertus, Willelmus major, Willelmus minor" by a charter dated 1101. He succeeded his father in 1096 as Comte d'Eu.
      b) ROBERT d'Eu (-1149 or after). "Henricus comes Augensis filius comitis Willermi" made donations to the abbey of St Michel, Tréport with the consent of "Margarita comitissa et fratres supradicti comitis Robertus, Willelmus major, Willelmus minor" by a charter dated 1101. 1101/1109. "Johannes Augensium comes" made donations to the abbey of St Michel, Tréport referring to "antecessores mei comes Robertus et Guillermus filius eius et Henricus pater meus" by a charter dated 1149, witnessed by "Robertus de Augo". m ---. The name of Robert's wife is not known. Robert & his wife had one child:
      i) THOMAS de Bréançon . The primary source which confirms his parentage has not yet been identified.
      c) GUILLAUME d'Eu "major" . "Henricus comes Augensis filius comitis Willermi" made donations to the abbey of St Michel, Tréport with the consent of "Margarita comitissa et fratres supradicti comitis Robertus, Willelmus major, Willelmus minor" by a charter dated 1101. 1101/1109. "Guillaume de Grandcourt son of Guillaume Comte d'Eu" captured Amaury de Montfort Comte d'Evreux at the battle of Bourg-théroulde (Rougemontier) in 1124, but chose to go into exile with him.
      d) GUILLAUME d'Eu "minor" . "Henricus comes Augensis filius comitis Willermi" made donations to the abbey of St Michel, Tréport with the consent of "Margarita comitissa et fratres supradicti comitis Robertus, Willelmus major, Willelmus minor" by a charter dated 1101[638]. 1101/1109.
      Comte Guillaume had three illegitimate children by an unknown mistress:
      e) three children . Orderic Vitalis records that Comte Guillaume "had three children by a concubine" ignoring his second wife.”«s87» [1]
    Person ID I14148  Lowell&Block
    Last Modified 21 Jul 2020 

    Father Robert, Comte d’Eu,   d. Between 1089 and 1093 
    Mother Beatrice 
    Family ID F4860  Group Sheet  |  Family Chart

    Family 1 Beatrice 
    Last Modified 15 Aug 2020 
    Family ID F4859  Group Sheet  |  Family Chart

    Family 2 Helisende, d’Avranches 
    Children 
    +1. Henri, Comte d’Eu,   d. 12 Jul 1140
     2. Robert, d’Eu,   d. Aft 1149
     3. Guillaume “major”, d’Eu
     4. Guillaume “minor”, d’Eu
    Last Modified 15 Aug 2020 
    Family ID F4858  Group Sheet  |  Family Chart

  • Sources 
    1. [S87] Foundation for Medieval Genealogy., Foundation for Medieval Genealogy Trustees.