Michael Matthew Groat PhD's Genealogical Database

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Constance de Bretagne



Preferred Parents:
Father: Conan Duke of Brittany III, b. 1095 in Mortaigne Au Perche, Orne, Normandy, France   d. 17 SEP 1148 in Bretagne, Pyrénées-Atlantiques, Aquitaine, France
Mother: Matilda fitzRoy Duchess of Brittany, b. 1091 in Bretagne, Indre, Centre, France   d. AFT 1128 in Rouen, Normandie, France

Family 1: Geoffroi de Mayenne Seigneur of Mayenne III,    b. ABT 1135 in Mayenne, Mayenne, Pays de la Loire    d. 18 FEB 1169 in Mayenne, Mayenne, Pays de la Loire
  1. Mathilde de Mayenne, b. 1150 in Vitré-Est, Rennes, Ille-et-Vilaine, Bretagne, France     d. 1223 in Mayenne, Pays de la Loire, France
  2. Clémence de Mayenne, b. 1160 in Mayenne, Mayenne, Pays de la Loire, France     d. 1190 in Mayenne, Maine Pays De La Loire, France
Sources:
  1. Title: Legacy NFS Source: Constance DeBretagne -
    Author: Ancestry Family Trees, Name: Online publication - Provo, UT, USA: Ancestry.com. Originaldata: Family Tree files submitted by Ancestry members.;, Ancestry.com, Page number: Ancestry Family Trees
    Note: This information comes from 1 or more individual Ancestry Family Treefiles. This source citation points you to a current version of thosefiles. Note: The owners of these tree files may have removed orchanged information since this source citation was created. This information comes from 1 or more individual Ancestry Family Treefiles. This source citation points you to a current version of thosefiles. Note: The owners of these tree files may have removed orchanged information since this source citation was created.
    Page: Migrated from user-supplied source citation: urn:familysearch:source:3247302412
  2. Title: Foundation for Medieval Genealogy
    Publication: Name: https://fmg.ac/Projects/MedLands/BRITTANY.htm#AlainIVdied1119B;
    Note: [CONSTANCE de Bretagne (-1148). Constance is shown in Europäische Stammtafeln as the younger daughter of Duke Conan III, died 1148[239]. The primary source which confirms her parentage and marriage has not yet been identified. The information has not therefore been verified. m as his first wife, GEOFFROY de Mayenne, son of JUHEL Seigneur de Mayenne & his wife Clémence de Ponthieu (-18 Feb or 25 Jul 1169).]

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