Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom available to be downloaded.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Marriage: Children:
  1. Hamon Of Mayenne Death: After 1158

Bibliography
  1. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v1[pc][0-9]*].
  2. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v4p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: Richardson RoyalAnc v1p541, Richardson RoyalAnc v4p72]
Sources with Information about marriage to Geoffroy Sire De Mayenne
date:
in or abt 1135 [Ref: Richardson RoyalAnc v4p72],
child:
[Ref: Richardson RoyalAnc v4p72]
Sources with Inaccurate marriage information
child:
Clemence (#36037) [Ref: Richardson RoyalAnc v4p73]
Clemence (#36037) and Maud (#199414) [Ref: Richardson RoyalAnc v4p72]
Research Notes:



Pedigree of Constance Of Brittany
                                              /-----Budic Count Of Cornuaille
                                     /-----Benoit Count Of Cornuaille
                            /-----Alain Cagnairt Count Of Cornuaille
                           |         \-----Guinodeon
                   /-----Hoel Count Of Cornouille
                  |        |                                    /-----Matuedoi Count Of Poher
                  |        |                           /-----Alain II Barbe Torte Count Of Nantes
                  |        |                          |         \-----(Unk Dau)
                  |        |                  /-----Hoel Count Of Nantes
                  |        |         /-----Judicael Count Of Nantes
                  |         \-----Judith Of Nantes
                  |                  \-----Melisende
          /-----Alan IV Fergent Duke Of Brittany
         |        |                                             /-----Paskurtan Count Of Rennes
         |        |                                    /-----Judhael Count Of Rennes
         |        |                                   |         \-----(Unk Dau) Heiress Of Rennes
         |        |                           /-----Conan I Duke Of Brittany
         |        |                          |         \-----Gerberge
         |        |                  /-----Geoffrey Duke Of Brittany
         |        |                 |        |                  /-----Fulk II The Good Count Of Anjou
         |        |                 |        |         /-----Geoffrey I Grisgonelle Count Of Anjou
         |        |                 |        |        |         \-----Gerberga Of Nevers
         |        |                 |         \-----Ermengarde Of Anjou
         |        |                 |                 |         /-----Robert Count Of Troyes
         |        |                 |                  \-----Adele Of Troyes
         |        |                 |                           \-----Adelaide Of Burgundy
         |        |         /-----Alan III Duke Of Brittany
         |        |        |        |                           /-----Hrolfr (Rollo) Duke Of Normandy
         |        |        |        |                  /-----William Longspee Duke Of Normandy
         |        |        |        |                 |         \-----Poppa
         |        |        |        |         /-----Richard I The Fearless Duke Of Normandy
         |        |        |        |        |         \-----Espriota
         |        |        |         \-----Hawise Of Normandy
         |        |        |                 |         /-----(Unk) Forquelar Of Cirques
         |        |        |                  \-----Gunnora
         |         \-----Hawise Of Brittany
         |                 |                                    /-----Theobald Viscount Of Troyes
         |                 |                           /-----Theobald I Le Tricheur Count Of Blois
         |                 |                          |         \-----Richilde Of Bourges
         |                 |                  /-----Eudes I Count Of Blois
         |                 |                 |        |         /-----Herbert II Count Of Vermandois
         |                 |                 |         \-----Luitgarde De Vermandois
         |                 |                 |                  \-----Hildebrante/Liegarde/Adela
         |                 |         /-----Eudes II Count Of Blois
         |                 |        |        |                  /-----Rudolph II King Of Juran Burgundy And Provence
         |                 |        |        |         /-----Conrad The Peaceful King Of Burgundy
         |                 |        |        |        |         \-----Berthia Of Swabia
         |                 |        |         \-----Bertha Of Burgandy
         |                 |        |                 |         /-----Louis IV D'OUTRE-MER, King Of Franks
         |                 |        |                  \-----Matilda Of France
         |                 |        |                           \-----Gerberga Of Saxony
         |                  \-----Bertha Of Blois
         |                          |                           /-----Robert II Vicount Of Auvergne
         |                          |                  /-----William V Count Of Auvergne
         |                          |                 |         \-----Ingelberga Dame De Beaumont In Chalonais
         |                          |         /-----Robert I Count Of Auvergne
         |                          |        |         \-----Umberge
         |                           \-----Ermengarde Of Auvergne
         |                                   |                  /-----Bertrand De Gevaudan
         |                                   |         /-----Stephen De Brioude
         |                                   |        |         \-----Emilgarde
         |                                    \-----Ermengarde
         |                                            |         /-----Fulk II The Good Count Of Anjou
         |                                             \-----Adelaide (Blanch) Of Anjou
         |                                                      \-----Gerberga Of Nevers
 /-----Conan III Le Gros Duke Of Brittany
|        |                                                      /-----Gausfred Vicount Of Chartres
|        |                                             /-----Gausfred Vicount Of Chateaudun
|        |                                    /-----Fulk Count Of Perche
|        |                                   |        |         /-----Herbert I Count Of Perche
|        |                                   |         \-----Hildegarde Of Perche
|        |                                   |                  \-----Millisent Of Nevers
|        |                           /-----Hugo Of Perch
|        |                          |        |         /-----Rotrou Seigneur Of Nogent-An-Rotrou
|        |                          |         \-----Melisende
|        |                  /-----Geoffrey Ferreol Count Of The Gatinais
|        |                 |        |                           /-----Aubri Vicount Of Narbonne
|        |                 |        |                  /-----Lutaud Count Of Macon
|        |                 |        |                 |         \-----Attela Of Macon
|        |                 |        |         /-----Aubri Count Of Macon
|        |                 |        |        |        |         /-----Manasses I Count Of Vergy, Duxin, And Chalons
|        |                 |        |        |         \-----Ermengarde Of Chalon
|        |                 |        |        |                  \-----Ermengarde
|        |                 |         \-----Beatrix Of Macon
|        |                 |                 |         /-----Geoffrey Vicount Of Orleans
|        |                 |                  \-----(Unk)
|        |                 |                          |         /-----Fromond I Vicount Of Sens
|        |                 |                           \-----(Unk Dau) Of Sens
|        |         /-----Fulk IV Rechin Count Of Anjou
|        |        |        |                                    /-----Fulk Le Roux Count Of Anjou
|        |        |        |                           /-----Fulk II The Good Count Of Anjou
|        |        |        |                          |         \-----Roscilla
|        |        |        |                  /-----Geoffrey I Grisgonelle Count Of Anjou
|        |        |        |                 |        |         /-----Gausfred Count Of Nevers
|        |        |        |                 |         \-----Gerberga Of Nevers
|        |        |        |                 |                  \-----Aba
|        |        |        |         /-----Fulk III The Black Count Of Anjou
|        |        |        |        |        |                  /-----Herbert II Count Of Vermandois
|        |        |        |        |        |         /-----Robert Count Of Troyes
|        |        |        |        |        |        |         \-----Hildebrante/Liegarde/Adela
|        |        |        |        |         \-----Adele Of Troyes
|        |        |        |        |                 |         /-----Giselbert Duke Of Burgandy
|        |        |        |        |                  \-----Adelaide Of Burgundy
|        |        |        |        |                           \-----Ermengarde Of Burgandy
|        |        |         \-----Ermengarde Of Anjou
|        |        |                  \-----Hildegarde Of Metz
|         \-----Ermengard Of Anjou
|                 |                           /-----Landry Sire de Baugency
|                 |                  /-----Lancellin I Sire De Baugency In Orleanais
|                 |         /-----Lanzelin II Seigneur De Baugency
|                  \-----Hildegarde De BAUGENCY
|                           \-----Alberga
Constance Of Brittany
|                                                               /-----Hrolfr (Rollo) Duke Of Normandy
|                                                      /-----William Longspee Duke Of Normandy
|                                                     |         \-----Poppa
|                                             /-----Richard I The Fearless Duke Of Normandy
|                                            |         \-----Espriota
|                                    /-----Richard II The Good Duke Of Normandy
|                                   |        |         /-----(Unk) Forquelar Of Cirques
|                                   |         \-----Gunnora
|                           /-----Robert I The Devil Duke Of Normandy
|                          |        |                           /-----Paskurtan Count Of Rennes
|                          |        |                  /-----Judhael Count Of Rennes
|                          |        |                 |         \-----(Unk Dau) Heiress Of Rennes
|                          |        |         /-----Conan I Duke Of Brittany
|                          |        |        |         \-----Gerberge
|                          |         \-----Judith Of Brittany
|                          |                 |                  /-----Fulk II The Good Count Of Anjou
|                          |                 |         /-----Geoffrey I Grisgonelle Count Of Anjou
|                          |                 |        |         \-----Gerberga Of Nevers
|                          |                  \-----Ermengarde Of Anjou
|                          |                          |         /-----Robert Count Of Troyes
|                          |                           \-----Adele Of Troyes
|                          |                                    \-----Adelaide Of Burgundy
|                  /-----William The Conqueror King Of England
|                 |        |         /-----Fulbert Of Falaise
|                 |         \-----Herleve Of Falaise
|                 |                  \-----Duxia
|         /-----Henry I Beauclerc King Of England
|        |        |                                             /-----Arnold I The Old Count Of Flanders
|        |        |                                    /-----Baldwin III Count Of Flanders
|        |        |                                   |         \-----Alix De Vermandois
|        |        |                           /-----Arnold II The Young Count Of Flanders
|        |        |                          |        |         /-----Hermann Billung Duke Of Saxony
|        |        |                          |         \-----Matilda Of Saxony
|        |        |                          |                  \-----Hildegarde Of Westerbourg
|        |        |                  /-----Baldwin IV The Bearded Count Of Flanders
|        |        |                 |        |                  /-----Adalbert The Rich Margrave Of Ivrea
|        |        |                 |        |         /-----Berengar II King Of Italy
|        |        |                 |        |        |         \-----Gisele Of Friuli
|        |        |                 |         \-----Rosela Of Italy
|        |        |                 |                 |         /-----Boso Count Of Aries
|        |        |                 |                  \-----Willa Of Aries
|        |        |                 |                           \-----Willa Of Tuscany
|        |        |         /-----Baldwin V Count Of Flanders
|        |        |        |        |                           /-----Wigeric Count in Bidgau
|        |        |        |        |                  /-----Siegfried Count Of Luxemburg
|        |        |        |        |                 |         \-----Cunegunde
|        |        |        |        |         /-----Frederick I Count Of Luxemburg
|        |        |        |        |        |        |         /-----Ebergard Count In The Nordgau, Count Of Alsace
|        |        |        |        |        |         \-----Hedwig Of Nordgau
|        |        |        |        |        |                  \-----Bertha
|        |        |        |         \-----Ogive Of Luxembourg
|        |        |        |                 |                  /-----Udo Count In The Wetterau
|        |        |        |                 |         /-----Herbert I Count In The Kinziggau
|        |        |        |                 |        |         \-----Cunegundis Of Vermandois
|        |        |        |                  \-----Ermentrude Of Kinziggau
|        |        |        |                          |         /-----Megingoz Count Of The Avalgau
|        |        |        |                           \-----Irmentrude
|        |        |        |                                    \-----Gerberga
|        |         \-----Maud Of Flanders
|        |                 |                                    /-----Robert I King Of France
|        |                 |                           /-----Hugh Magnus Duke Of The Franks, Count Of Paris
|        |                 |                          |         \-----Beatrix Of Vermandois
|        |                 |                  /-----Hugh Capet King Of France
|        |                 |                 |        |         /-----Henry I The Fowler King Of The Saxons
|        |                 |                 |         \-----Hedwig Of Saxony
|        |                 |                 |                  \-----Mechtilde Of Westfalen
|        |                 |         /-----Robert II The Pious King Of France
|        |                 |        |        |                  /-----Ebles Mancer Count Of Poitou, Duke Of Aquitaine
|        |                 |        |        |         /-----William I Count Of Poitou, Duke Of Aquitaine
|        |                 |        |        |        |         \-----Emliane
|        |                 |        |         \-----Adelaide Of Poitou
|        |                 |        |                 |         /-----Hrolfr (Rollo) Duke Of Normandy
|        |                 |        |                  \-----Gerloc Of Normandy
|        |                 |        |                           \-----Poppa
|        |                  \-----Adelaide Of France
|        |                          |                           /-----Rotbaudo Seigneur De Angelcas
|        |                          |                  /-----Boso II Count Of Provence
|        |                          |                 |         \-----(Unk Dau) Of Aquitaine
|        |                          |         /-----William I Count Of Aries And Provence
|        |                          |        |        |         /-----Charles Constantine Count Of Vienna
|        |                          |        |         \-----Constance
|        |                          |        |                  \-----Teutberg
|        |                           \-----Constance Of Provence
|        |                                   |                  /-----Fulk Le Roux Count Of Anjou
|        |                                   |         /-----Fulk II The Good Count Of Anjou
|        |                                   |        |         \-----Roscilla
|        |                                    \-----Adelaide (Blanch) Of Anjou
|        |                                            |         /-----Gausfred Count Of Nevers
|        |                                             \-----Gerberga Of Nevers
|        |                                                      \-----Aba
 \-----Maud



Descendants of Constance Of Brittany
1. Constance Of Brittany m. Geoffroy Sire De Mayenne
m. Geoffroy Sire De Mayenne father: Juhael I Lord Of Mayenne mother: Clemence Of Poitieu