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. Adelaide
  2. Matthew I Sire De Montmorency Birth: 1 Death: 22 Oct 1160

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 11, Ridley-Sinclair. London: St Catherine Press, 1949. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/27141 Information from this source tagged as [Ref: CP XI [Ap][p0-9].*].
  2. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.4 (#601-#820): Das Feudale Frankreich und sein Einfluss auf die Welt des Mittelalters. Marburg: Verlag von J. A. Stargardt, 1989. Information from this source tagged as [Ref: ES III.4 #[0-9]*].
  3. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. XIV: Les Familles Feodales de France II. Marburg: Verlag von J. A. Stargardt, 1991. Information from this source tagged as [Ref: ES XIV #[0-9]*].
  4. Moriarty, G Andrews, Plantagenet Ancestry of King Edward III And Queen Philippa. Salt Lake: Mormon Pioneer Genealogical Society, 1985. LDS Film#0441438. NYPL ARF-86-2555. Available at https://familysearch.org/search/film/007905814?cat=66443. Also available at https://familysearch.org/search/catalog/66443. Information from this source tagged as [Ref: Moriarty Plantagenet p[0-9]*].
  5. 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 v3p[0-9]*].
  6. 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: Moriarty Plantagenet p176, Moriarty Plantagenet p177],
father:
[Ref: CP XI AppD p117, Richardson RoyalAnc v3p20, Richardson RoyalAnc v4p145]
Sources for death Information
date:
vor 1124 [Ref: ES III.4 #644]
Sources with Information about marriage to Bouchard IV Seigneur De Montmorency
date:
first marriage of Bouchard [Ref: ES XIV #116],
names:
[Ref: Moriarty Plantagenet p176, Moriarty Plantagenet p177],
child:
[Ref: CP XI AppD p117, ES XIV #116, Richardson RoyalAnc v4p145]
Research Notes:



Pedigree of Agnes
                                     /-----Ivo
                            /-----Ivo
                           |         \-----Geila
                   /-----Ivo Count Of Belemontensis
          /-----Ivo I Count Of Beaumont
 /-----Ivo II Count Of Beaumont
|         \-----Emma
Agnes
|                                                               /-----Herlouin II Of Ponthieu
|                                                      /-----Roger Count Of Montreuil
|                                             /-----Hugh
|                                    /-----Hugh I Count Of Ponthieu
|                           /-----Enguerrand I Count Of Ponthieu
|                          |        |                           /-----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
|                          |         \-----Gisle 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
|                  /-----Hugh II Count Of Ponthieu
|                 |        |                                    /-----Gerulf Count Of Holland
|                 |        |                           /-----Thierri I Count Of West Friesland
|                 |        |                  /-----Thierri II Count Of West Friesland
|                 |        |                 |        |         /-----Meginhard Count Of Hainault
|                 |        |                 |         \-----Geva
|                 |        |         /-----Arnulf Count Of Holland And Ghent
|                 |        |        |        |                  /-----Baldwin II The Bald Count Of Flanders
|                 |        |        |        |         /-----Arnold I The Old Count Of Flanders
|                 |        |        |        |        |         \-----Alfthryth Of England
|                 |        |        |         \-----Hildegarde Of Flanders
|                 |        |        |                 |         /-----Herbert II Count Of Vermandois
|                 |        |        |                  \-----Alix De Vermandois
|                 |        |        |                           \-----Hildebrante/Liegarde/Adela
|                 |         \-----Adela Of Holland
|                 |                 |                           /-----(Unk)
|                 |                 |                  /-----Wigeric Count in Bidgau
|                 |                 |         /-----Siegfried Count Of Luxemburg
|                 |                 |        |         \-----Cunegunde
|                 |                 |        |                  \-----Ermentrude Of France
|                 |                  \-----Luitgard Of Luxembourg
|                 |                          |                  /-----Hugh I Count In Abracian Nordgau
|                 |                          |         /-----Ebergard Count In The Nordgau, Count Of Alsace
|                 |                          |        |         \-----Hildegarde
|                 |                           \-----Hedwig Of Nordgau
|                 |                                    \-----Bertha
|         /-----Enguerrand II Count Of Ponthieu
|        |        |         /-----Guenfroi Count Of Aumale
|        |         \-----Bertha Of Aumale
 \-----Adelaide
         |                                                      /-----Ketil
         |                                             /-----Hrolfr (Rollo) Duke Of Normandy
         |                                    /-----William Longspee Duke Of Normandy
         |                                   |        |         /-----Berenger Count Of Bayeux
         |                                   |         \-----Poppa
         |                                   |                  \-----(Unk Dau)
         |                           /-----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
         |        |        |                                    /-----Adam I The Great Count Of Nantes And Vannes, Duke Of Brit
         |        |        |                           /-----Paskurtan Count Of Rennes
         |        |        |                          |         \-----Oreguen
         |        |        |                  /-----Judhael Count Of Rennes
         |        |        |                 |        |         /-----Berenger Count Of Rennes
         |        |        |                 |         \-----(Unk Dau) Heiress Of Rennes
         |        |        |         /-----Conan I Duke Of Brittany
         |        |        |        |         \-----Gerberge
         |        |         \-----Judith Of Brittany
         |        |                 |                           /-----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
         |        |                  \-----Ermengarde 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
          \-----Adelaide Of Normandy
                  |         /-----Fulbert Of Falaise
                   \-----Herleve Of Falaise
                            \-----Duxia



Descendants of Agnes
1. Agnes m. Bouchard IV Seigneur De Montmorency
m. Bouchard IV Seigneur De Montmorency father: Herve Seigneur De Montmorency mother: Agnes

2nd generation

2. Adelaide m. Gui Seigneur De Guise
m. Gui Seigneur De Guise father: Godfrey Seigneur De Guise mother: Ada De Roucy
3. Matthew I Sire De Montmorency m1. Aline m2. Adelaide Of Savoy
m. Aline father: Henry I Beauclerc King Of England
m. Adelaide Of Savoy father: Humbert II Count Of Maurienne And Savoy mother: Gisele Of Burgundy

3rd generation

4. Bouchard Seigneur De Guise m. Adelaide
m. Adelaide
5. Bouchard De MONTMORENCY m. Lauretia Of Hainault
m. Lauretia Of Hainault father: Baldwin IV Count Of Hainault mother: Alix De NAMUR

4th generation

6. Adelfia Heiress Of Guise m. Jacques I Seigneur Of Avesnes And Leuze
m. Jacques I Seigneur Of Avesnes And Leuze father: Nicholas Lord Of Avesnes, Leuze, And Conde mother: Mathilda
7. Alix De MONTMORENCY m. Simon IV De MONTFORT L'AUMARY
m. Simon IV De MONTFORT L'AUMARY father: Simon De MONTFORT, Seigneur Of Montfort And Ro mother: Amice BEAUMONT, Countess Of Leicester
8. Matthew II Sire De Montmorency m1. Gertrude Of Soissons m2. Emma Of Laval
m. Gertrude Of Soissons father: Raoul I De Nesle, Count Of Soissons mother: Adele/Alix Of Dreux
m. Emma Of Laval father: Guy VI Lord Of Laval mother: Avoise Of Craon

5th generation

10. Gaunthier Of Avesnes, Count Of Blois m. Margaret Countess Of Blois
m. Margaret Countess Of Blois father: Theobald V Count Of Blois mother: Alice
12. Mathilde Of Avesnes m1. Nicolas IV Of Rumigny, Advocate Of Potees m2. Ludwig IV Count Of Chiny
m. Nicolas IV Of Rumigny, Advocate Of Potees father: Nicolas III Of Rumigny mother: Eve Of Chievres
m. Ludwig IV Count Of Chiny father: Ludwig III Count Of Chiny mother: Sophie
13. Ida Of Avesnes m. Englebert IV Of Enghien
m. Englebert IV Of Enghien father: Engelbert III Of Enghien, Advocate Of Tubize And Castr mother: Elizabeth Of Trazegnies
14. Richard Seigneur Of Avesnes m. Margaret Of Flanders
m. Margaret Of Flanders father: Baldwin IX Eastern Emperor mother: Mary Of Champagne
15. Amauri De MONTFORT, Lord Of Montfort m. Beatrix Of Vienne
m. Beatrix Of Vienne father: Andre Guigues VI Count Of Viennois And Albon mother: Beatrice De Sabran
16. Guy De MONTFORT m. Pernel De COMMINGS
m. Pernel De COMMINGS
17. Simon De MONTFORT, Earl Of Leicester m. Eleanor
m. Eleanor father: John Lackland PLANTAGENET, King Of England mother: Isabel Of Angouleme
19. Pernel De MONTFORT m1. Pierre De COURTENAY, Lord Of Conches m2. Henry De SULLY
m. Pierre De COURTENAY, Lord Of Conches father: Robert I De Courtenay, Lord Of Champignelles mother: Mahut De Mehun
m. Henry De SULLY
20. Amicie De MONTFORT m. Gaucher De Joigny, Lord Of Chateaurenard
m. Gaucher De Joigny, Lord Of Chateaurenard father: Renaud II Count Of Joigny mother: Adele Of Nevers
23. Bouchard V Sire De Montmorency m. Isabelle Of Laval
m. Isabelle Of Laval father: Guy VI Lord Of Laval mother: Avoise Of Craon
24. Guy VII Lord Of Laval m1. Philippa Of Vitre m2. Thomasse Of Pouance
m. Philippa Of Vitre father: Andre III Lord Of Vitre And Combourg mother: Catherine Of Thouars
m. Thomasse Of Pouance father: Geoffrey Lord Of Guerche