Michael Matthew Groat PhD's Genealogical Database

Individuals: 97,713  Families: 61,838  
Gedcom Last Modified: December 14, 2025 00:59:10

Matilda fitzRoy Duchess of Brittany



Preferred Parents:
Father: Henry I King of England , b. ABT 1068 in Yorkshire, England   d. 1135 in Normandy, France
Mother: multiple unknown mistresses of Henry I I,   

Family 1: Conan Duke of Brittany III,    b. 1095 in Mortaigne Au Perche, Orne, Normandy, France    d. 17 SEP 1148 in Bretagne, Pyrénées-Atlantiques, Aquitaine, France
  1. Constance de Bretagne, b. ABT 1118 in Bretagne, France     d. ABT 1178 in Treguier, Cotes Du Nord, , France
  2. Bertha de Cornouaille Duchess of Brittany, b. 1114 in La Tranchée, Indre-et-Loire, Centre-Val de Loire, France     d. 15 SEP 1167 in Poitou, France
Sources:
  1. Title: Matthew Parker and the Middle English Prose Brut
    Author: Bryan, Elizabeth J. (2016). "Matthew Parker and the Middle English Prose Brut". In Rajsic, Jaclyn; Kooper, Erik; Hoche, Dominique (eds.). The Prose Brut and Other Late Medieval Chronicles. York Medieval Press.
    Note: This provides details on Conan III, Duke of Brittany. Conan III, also known as Conan of Cornouaille and Conan the Fat (Breton: Konan III a Vreizh, and Konan Kerne; c. 1093–1096 – September 17, 1148) was duke of Brittany, from 1112 to his death. He was the son of Duke Alan IV and Ermengarde of Anjou. He married Maud, an illegitimate daughter of King Henry I of England before 1113.[2] Conan and Maud had three children that are known: Hoel (1116 - 1156) – disinherited from the Ducal crown; Count of Nantes;[3] Bertha (1114 - after 1155) – married Alan of Penthièvre;[3][c] upon Alan's death in 1146, she returned to Brittany; Constance (1120 - 1148) – married Sir Geoffroy II, Sire de Mayenne, son of Juhel II, Seigneur de Mayenne.
    Page: Both this person and her husband are mentioned here.
  2. Title: Foundation for Medieval Genealogy (Medlands)
    Author: https://fmg.ac/Projects/MedLands/Search.htm Also see reason entry for specific link to specific record. In order to save making millions of seperate Medland sources for each specific entry, please use this source and in the reason statement for attaching, plug in the specific link from Medlands.
    Publication: Name: https://fmg.ac/Projects/MedLands/Search.htm;
    Note: This source takes one to the Medlands search page. Medlands is a comprehensive compilation of original Latin, Greek and other language ancient records into English. It is very well sourced, and if patrons can find these original records from the quoted sources, it would be great to have the very originals themselves posted here at FS. Please add the specific source in Medlands to the reason statement for adding this source to any specific PID.
    Page: https://fmg.ac/Projects/MedLands/ENGLAND,%20Kings%201066-1603.htm#_ftnref297

Master Index | Pedigree Chart | Descendency Chart

Please send genealogical corrections, additions, or comments to Michael Matthew Groat PhD
Created by GIMMWebService Version 1.0.3 (Program Information), Copyright 2023 © Michael Groat
(Web design layout and pedigree indentation subroutine) Copyright 1996 © Randy Winch (gumby@edge.net) and Tim Doyle (tdoyle@doit.com)
(Internal GEDCOM data structures and GEDCOM file parsing) Copyright 2014-2021 © Giulio Genovese (giulio.genovese@gmail.com)

Like the program that you see? Any support is appreciated!

Paypal