Chris & Julie Petersen's Genealogy

Ermengarde of Anjou

Female

Personal Information    |    Notes    |    All    |    PDF

  • Name Ermengarde of Anjou
    Gender Female
    Person ID I7139  Petersen-de Lanskoy
    Last Modified 21 Jun 2026

    Father Geoffroi I "Grisegonelle" d'Anjou
    Mother Adèle of Troyes   d. From 6 Mar 974 to 9 Mar 979
    Marriage Abt 965 
    Family ID F3238  Group Sheet  |  Family Chart

    Family Conan I "le Tort",   b. Abt 922   d. 27 Jun 992, Second Battle of Conquereuil near Nantes, Loire-Atlantique, France Find all individuals with events at this location (Age 70 years)
    Marriage Abt 973 
    Children 
     1. Geoffroi I   d. 20 Nov 1008
     2. Judicaël
     3. Catuallon
     4. Urvod
     5. Judith of Brittany   d. 28 Jun 1017
    Family ID F3233  Group Sheet  |  Family Chart
    Last Modified 30 Jun 2026

  • Notes 
    • RESEARCH_NOTES:
      1. “Royal Ancestry: A Study in Colonial & Medieval Families,” Douglas Richardson (2013):
      “ERMENGARDE OF ANJOU, married CONAN I, Duke of Brittany, Prince of the Bretons [see RICHMOND 1], son and heir of Juhel (alias Berenger), Count of Rennes. They had four sons, Geoffroi (I) [Duke of Brittany), Judicael [Bishop of Vannes], Catuallon [Abbot of Redon], and Urvod, and one daughter, Judith. He was present at the court of Eudes, Count of Chartres, in 979. In 981 he fought a battle against Guerech, Count of Nantes, and his Angevin allies, which is called the "first" Battle of Conquereuil. In 990 he made a donation to Mont Saint-Michel. CONAN I, Duke of Brittany, was slain at the 2nd Battle of Conquereuil near Nantes 27 June 992.
      Anselme Hist. de la Maison Royale de France 6 (1730): 3-21 (sub Anjou). Morice Mémoires pour servir de preuves à l'Histoire ecclésiastique et civile Bretagne 1 (1742): 350-351. Guérard Cartulaire de l'Abbaye de Saint-Père de Chartres 1 (1840): 66. Marchegay & Salmon Chroniques d'Anjou (1856): lxxii. Recueil des Historiens des Gaules et de la France 10 (1874): 175 (Ex Chronico S. Michaelis: "DCCCCXCII [A.D. 992]. Secundum bellum fuit in Concurrum, in quo Fulco Comes Andegavensis victor extitit; et Conanus Brito occisus est: Kal. Julii [1 July] filius Juhelli Berengarii."), 294 (Ex Chronico Kemperlegiensi: "Anno DCCCCXCII [A.D. 992]. Obiit Conanus Comes filius Judicaelis Berengarii Comitis Rhedonensis in bello Concurruc occisus est v Kal. Julii [27 June]."). Recueil des Historiens des Gaules et de la France 23 (1894): 579 (Notæ Monasterii Montis Sancti Michaelis: "28 Jun. [Obiit] Conanus, comes Britanniæ, qui jacet in capella Sancti Martini in ista ecclesia."). Rene Poupardin, "Généalogies angevines du XIe Siècle," in Mélanges d'Archéologie et d'Histoire 20 (1900): 199-208. Halphen & Poupardin Chroniques des Comtes d'Anjou et des Seigneurs d’Amboise (1913): 247-250 (Genealogiæ Comitum Andegavensium). Brandenburg Die Nachkommen Karls des Großen (1935), IX 8. Schwennicke Europäische Stammtafeln 2 (1984): 75 (sub Brittany); 3 (1984): 116 (sub Anjou). Winter Descs. of Charlemagne (800-1400) (1987): IX.3, X.6-X.9. Bachrach Fulk Nerra (1993). Keats-Rohan Family Trees & the Roots of Politics (1997): 211-267.
      Children of Ermengarde of Anjou, by Conan I of Brittany:
      i. GEOFFROI I, Duke of Brittany, married HAWISE OF NORMANDY [see RICHMOND 2].
      ii. JUDITH OF BRITTANY [see next].”

      2. “Royal Ancestry: A Study in Colonial & Medieval Families,” Douglas Richardson (2013):
      “CONAN I le Tort, Duke of Brittany, son of Judicael Bérenger, Count of Rennes, by his wife, Gerberge. He was born about 922. He married about 973 ERMENGARDE OF ANJOU, daughter of Geoffroi I Grisegonelle, Count of Anjou, by his 1st wife, Adèle, daughter of Robert, Count of Troyes and Meaux [see Appendix, Line A, Gen. 8 for her ancestry]. They had four sons, Geoffroi (I) [Duke of Brittany], Judicael [Bishop of Vannes], Catuallon [Abbot of Redon], and Urvod, and one daughter, Judith. He was present at the court of Eudes, Count of Chartres, in 979. In 981 he fought a battle against Guerech, Count of Nantes, and his Angevin allies, which is called the "first" Battle of Conquereuil. In 990 he made a donation to Mont Saint-Michel. CONAN I, Duke of Brittany, was slain at the 2nd Battle of Conquereuil near Nantes 27 June 992.
      Anselme Hist. de la Maison Royale de France 6 (1730): 3-21 (sub Anjou). Recueil des Historiens des Gaules et de la France 10 (1874): 175 (Ex Chronico S. Michaelis: "DCCCCXCII [A.D. 992]. Secundum bellum full in Concurrum, in quo Fulco Comes Andegavensis victor extitit; et Conanus Brito occisus est: Kal. Julii [1 July] filius Juhelli Berengarii."), 294 (Ex Chronico Kemperlegiensi: "Anno DCCCCXCII [A.D. 992]. Obiit Conanus Comes filius Judicaelis Berengarii Comitis Rhedonensis in bello Concurruc occisus est v Kal. Julii [27 June]."). Brandenburg Die Nachkommen Karls des Großen (1935), IX 8. Schwennicke Europäische Stammtafeln 2 (1984): 75; 3 (1989): 116 (ancestry of Ermengarde d'Anjou). Winter Descs. of Charlemagne (800-1400) (1987): IX.3, X.6-X.9.
      Children of Conan of Brittany, by Ermengarde d'Anjou:
      i. GEOFFROI I, Duke of Brittany [see next].
      ii. JUDITH OF BRITTANY, married RICHARD II, Duke of Normandy [see Appendix, Line A, Gen. 10].”

      3. “Royal Ancestry: A Study in Colonial & Medieval Families,” Douglas Richardson (2013):
      “ADÈLE OF TROYES, married about 965 GEOFFROI I GRISEGONELLE, Count of Anjou, 958/960-987, Count of Châlon, 979-987, son of Foulques II the Good, Count of Anjou, by his wife, Gerberge. They had two sons, Foulques III Nerra [Count of Anjou] and Geoffroi, and two daughters, Ermengarde and Gerberge (wife of Guillaume IV, Count of Angoulême). His wife, Adèle, was living 6 March 974. He married (2nd) 20 or 9 March 979 ADÈLE ___, widow of Lambert I, Count of Chalon-sur-Saône (died 22 Feb. 978). They had one son, Maurice. GEOFFROI I, Count of Anjou, was slain in battle at Marcon (near Château-du-Loir) 21 July 987, and was buried at Saint-Martin de Tours. His widow, Adèle, was living in 999.
      Anselme Hist. de la Maison Royale de France 6 (1730): 3-21 (sub Anjou). Étienne-Gallois La Champagne et les derniers Carlovingiens (1853): 139-145. Lot Les derniers Carolingiens: Lothaire, Louis V., Charles de Lorraine (954-991) (1891): 323-331. Métais Cartulaire Saintongeais de la Trinité de Vendôme (Archives historiques de la Saintonge et de l’Aunis 22) (1893): 2-11. Cartulaire de l’Abbaye cardinals de la Dinite de Vendôme 1 (1893): 10-11 (Genealogia Comitum Andegavensium). René Poupardin, "Généalogies angevines du XIe Siècle," in Mélanges d'Archéologie et d'Histoire 20 (1900): 199-208. Halphen Recueil d'Annales Angevines et Vendômoises (1903). Halphen & Poupardin Chroniques des Comtes d'Anjou et des Seigneurs d'Amboise (1913): 247-250 (Genealogiæ Comitum Andegavensium). Schwennicke Europäische Stammtafeln 3 (1984): 49 (sub Vermandois), 116 (sub Anjou). "Notes sur quelques Vicomtes de Châtellerault" in Bull. de la Société des Antiquaires de l'Ouest 16 (1981): 261-270. Bernard S. Bachrach, "Geoffrey Greymantle, count of the Angevins, 960-987: a Study in French Politics," Studies in Medieval & Renaissance Hist. n.s. 7 (1985): 3-65. Winter Descs. of Charlemagne (800-1400) (1987): VIII.2, IX.2-IX.4. Bachrach Falk Nerra (1993). Marchegay & Salmon Chroniques d'Anjou (1856). Marchegay & Mabille Chroniques des Églises d'Anjou (1869): 164-165 (Chronicon Vindocinense seu de Aquaria sub A.D. 1187: "Obiit Gosfredus, Andecavorum comes, pater Fulconis ultimi, XII kalendas augusti [21 July], in obsidione Marsonis super Odonem Rufinum facta."). Bouchard Sword, Miter, & Cloister (1987): 307-309. Kerrebrouck La Préhistoire des Capetians (1993). Bouchard Those of My Blood (2001): 19 (chart), 149-154.”