Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-30-2024.

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:
Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 12-2, Tracton-Zz. London: St Catherine Press, 1959. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP XII/2 [Ap][p0-9].*].
  2. Richardson, Douglas, Plantagenet Ancestry: A Study in Colonial and Medieval Families. Baltimore, MD: Genelogical Publishing Co, 2004. Information from this source tagged as [Ref: Richardson PA p[0-9]*].
  3. 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]*].
  4. Sanders, I. J., English Baronies, A Study of Their Origin and Descent 1086-1327. Oxford: Clarendon Press, 1960. Information from this source tagged as [Ref: Sanders Baronies p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: CP XII/2 p280, Richardson PA p82, Richardson PA p83, Richardson RoyalAnc v1p303, Richardson RoyalAnc v1p306],
brother:
Henry Lord Beaumont Earl of Buchan [Ref: CP XII/2 p280]
Sources for death Information
date:
shortly before 1 Nov 1334 [Ref: CP XII/2 p280, Richardson PA p83, Richardson RoyalAnc v1p306]
Sources for burial Information
place:
[Ref: CP XII/2 p280, Richardson PA p83, Richardson RoyalAnc v1p306]
Sources with Information about marriage to John De VESCY, Baron Of Alnwick
date:
before 26 Dec 1280 [Ref: Richardson PA p83, Richardson RoyalAnc v1p306]
between 2 Jan 1278/9 and 26 Dec 1280 [Ref: CP XII/2 p280],
names:
[Ref: Richardson PA p82, Richardson RoyalAnc v1p303]
Research Notes:
1312: Barony of Thoresway was granted to her, and she held the estate when she died in 1334 [Ref: Sanders Baronies p89]



Pedigree of Isabel De BEAUMONT
                                              /-----Walter I Count Of Brienne
                                     /-----Erard I Count Of Brienne
                                    |        |                  /-----Milo Count
                                    |        |         /-----Milo Count Of Tonnerre
                                    |         \-----Estachia
                                    |                  \-----Azcha
                            /-----Walter II Count Of Brienne
                           |        |                           /-----Hildouin II De Rameru
                           |        |                  /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
                           |        |                 |         \-----Anonima
                           |        |         /-----Andre De Roucy, Lord Of Rameru
                           |        |        |        |         /-----Ebles I Count Of Rheims And Roucy
                           |        |        |         \-----Adele De Roucy
                           |        |        |                  \-----Beatrix Of Hainault
                           |         \-----Alix Of Rameru
                           |                  \-----Adele
                   /-----Erard II Count Of Brienne
                  |         \-----(Unk) Of Soissons
          /-----Jean De BRIENNE, King Of Jerusalem
         |        |                                             /-----Cono Of Falco
         |        |                                    /-----Richard I Of Montfaucon
         |        |                           /-----Amadee Lord Of Montfaucon
         |        |                  /-----Richard II Of Montfaucon
         |        |                 |        |         /-----Ulrich Count Of Fenis, Count Of Neuenburg
         |        |                 |         \-----(Unk) Of Neuenburg
         |        |         /-----Amadeus Of Montfaucon, Count Of Montbeliard
         |        |        |        |                           /-----Louis Of Montbeliard, Count Of Bar
         |        |        |        |                  /-----Thierry II Count Of Bar
         |        |        |        |                 |         \-----Sophia Countess Of Bar
         |        |        |        |         /-----Thierry III Count Of Montpelgard
         |        |        |        |        |        |         /-----William I The Great Count Of Burgundy
         |        |        |        |        |         \-----Ermentrude Of Burgandy
         |        |        |        |        |                  \-----Stephanie Of Barcelona
         |        |        |         \-----Sophia Of Montbeliard
         |         \-----Agnes De MONTFAUCON
         |                 |                           /-----Etienne De Vaux, Seigneur Of Joinville
         |                 |                  /-----Geoffrey Seigneur Of Joinville
         |                 |                 |        |         /-----Engelbert Of Brienne
         |                 |                 |         \-----(Unk Dau) Of Brienne
         |                 |                 |                  \-----Adelaide Countess Of Joigny
         |                 |         /-----Roger Of Joinville
         |                 |        |        |         /-----Arnoul Count Of Reynel
         |                 |        |         \-----Blanche Of Reynel
         |                  \-----Beatrice Of Joinville
         |                          |                           /-----Roger De Vignory
         |                          |                  /-----Guy II De Vignory
         |                          |                 |         \-----Mathilde
         |                          |         /-----Guy III Lord Of Vignory
         |                          |        |         \-----Hildegarde
         |                           \-----Audiarde Of Vignory
         |                                   |                  /-----Robert The Old Duke Of Burgundy
         |                                   |         /-----Henry Of Burgundy
         |                                   |        |         \-----Helle Of Semur En Auxois
         |                                    \-----Beatrix Of Burgundy
         |                                            |         /-----Berengar Raimond I Count Of Barcelona
         |                                             \-----(Unk) Of Barcelona
         |                                                      \-----Guisle Of Lluca
 /-----Louis De BRIENNE, Viscount Of Beaumont In Main
|        |                                                      /-----Raynald I Count Of Burgundy
|        |                                             /-----William I The Great Count Of Burgundy
|        |                                            |         \-----Alice Of Normandy
|        |                                    /-----Raymond Of Burgandy, Count Of Castille
|        |                                   |        |         /-----Berengar Raimond I Count Of Barcelona
|        |                                   |         \-----Stephanie Of Barcelona
|        |                                   |                  \-----Guisle Of Lluca
|        |                           /-----Alfonso VII King Of Castile And Leon
|        |                          |        |                  /-----Ferdinand I King Of Castile And Leon
|        |                          |        |         /-----Alfonso VI King Of Castile And Leon
|        |                          |        |        |         \-----Sancia Of Leon
|        |                          |         \-----Urraca Queen Of Castile And Leon
|        |                          |                 |         /-----Robert The Old Duke Of Burgundy
|        |                          |                  \-----Constance Of Burgandy
|        |                          |                           \-----Helle Of Semur En Auxois
|        |                  /-----Fernando II King Of Leon
|        |                 |        |                           /-----Raymond Berenger I Count Of Barcelona
|        |                 |        |                  /-----Raymond Berenger II Count Of Barcelona
|        |                 |        |                 |         \-----Adelmode De La Marche
|        |                 |        |         /-----Raymond Berenger III Count Of Barcelona
|        |                 |        |        |        |         /-----Robert Guiscard Count Of Apulia And Of Calabr
|        |                 |        |        |         \-----Matilda De APULIA
|        |                 |        |        |                  \-----Sikelgaita Of Salerno
|        |                 |         \-----Berenguela Of Barcelona
|        |                 |                 |                  /-----Berenguer II Vicount Of Girvauddium
|        |                 |                 |         /-----Gilbert De CARLAT, Vicomte De Carlat
|        |                 |                 |        |         \-----Adela De CARLAT
|        |                 |                  \-----Aldonza De CARLAT
|        |                 |                          |         /-----Geoffrey Count Of Provence
|        |                 |                           \-----Gerberga Countess Of Provence
|        |                 |                                    \-----Stephanie De MARSELLA, Countess Of Provence
|        |         /-----Alfonso IX King Of Leon
|        |        |        |                                    /-----Robert The Old Duke Of Burgundy
|        |        |        |                           /-----Henry Of Burgundy
|        |        |        |                          |         \-----Helle Of Semur En Auxois
|        |        |        |                  /-----Henry I Count Of Portugal
|        |        |        |                 |        |         /-----Berengar Raimond I Count Of Barcelona
|        |        |        |                 |         \-----(Unk) Of Barcelona
|        |        |        |                 |                  \-----Guisle Of Lluca
|        |        |        |         /-----Alfonso Henriques I King Of Portugal
|        |        |        |        |        |                  /-----Ferdinand I King Of Castile And Leon
|        |        |        |        |        |         /-----Alfonso VI King Of Castile And Leon
|        |        |        |        |        |        |         \-----Sancia Of Leon
|        |        |        |        |         \-----Theresa Of Castile
|        |        |        |        |                 |         /-----Muno Gonzales
|        |        |        |        |                  \-----Ximene MUNOS
|        |        |         \-----Urraca Of Portugal
|        |        |                 |                           /-----Amadeus II Count Of Savoy
|        |        |                 |                  /-----Humbert II Count Of Maurienne And Savoy
|        |        |                 |                 |         \-----Adelaide
|        |        |                 |         /-----Amadeus III Count Of Savoy, Marquess Of Turin
|        |        |                 |        |        |         /-----William I The Great Count Of Burgundy
|        |        |                 |        |         \-----Gisele Of Burgundy
|        |        |                 |        |                  \-----Stephanie Of Barcelona
|        |        |                  \-----Maud Of Savoy
|        |        |                          |                  /-----Guigues Count Of Albon
|        |        |                          |         /-----Guigues VIII Count Of Grenoble And Albon
|        |        |                          |        |         \-----Petronille
|        |        |                           \-----Matilda Of Grenoble
|        |        |                                   |         /-----Roger I De Hauteville, Count Of Sicily
|        |        |                                    \-----Matilda
|        |        |                                             \-----Adeliade Of Savona
|         \-----Berengaria Of Leon
|                 |                                             /-----William I The Great Count Of Burgundy
|                 |                                    /-----Raymond Of Burgandy, Count Of Castille
|                 |                                   |         \-----Stephanie Of Barcelona
|                 |                           /-----Alfonso VII King Of Castile And Leon
|                 |                          |        |         /-----Alfonso VI King Of Castile And Leon
|                 |                          |         \-----Urraca Queen Of Castile And Leon
|                 |                          |                  \-----Constance Of Burgandy
|                 |                  /-----Sancho III King Of Castile
|                 |                 |        |                  /-----Raymond Berenger II Count Of Barcelona
|                 |                 |        |         /-----Raymond Berenger III Count Of Barcelona
|                 |                 |        |        |         \-----Matilda De APULIA
|                 |                 |         \-----Berenguela Of Barcelona
|                 |                 |                 |         /-----Gilbert De CARLAT, Vicomte De Carlat
|                 |                 |                  \-----Aldonza De CARLAT
|                 |                 |                           \-----Gerberga Countess Of Provence
|                 |         /-----Alfonso VIII The Good King Of Castile
|                 |        |        |                           /-----Sancho Garces Lord Of Uncastillo And Sanguesa
|                 |        |        |                  /-----Ramirez II Lord Of Urroz And Moncon
|                 |        |        |                 |         \-----Constanza Of Maranou
|                 |        |        |         /-----Garcia V King Of Navarre
|                 |        |        |        |        |         /-----Roderigo Diaz De VIVAR, Del CID
|                 |        |        |        |         \-----Christine
|                 |        |        |        |                  \-----Dona Jimma Diaz
|                 |        |         \-----Blanche Of Navarre
|                 |        |                 |                  /-----Richard De AQUILA
|                 |        |                 |         /-----Gilbert De L'AIGLE, Baron Of Pevensey
|                 |        |                 |        |         \-----Judith Le GOZ
|                 |        |                  \-----Marguerite Of Perche
|                 |        |                          |         /-----Geoffrey II De Perche, Count Of Perche
|                 |        |                           \-----Juliana Of Perch And Montagne
|                 |        |                                    \-----Beatrix De Montdidier
|                  \-----Berengaria Of Castile
|                          |                                    /-----Fulk IV Rechin Count Of Anjou
|                          |                           /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
|                          |                          |         \-----Bertrade De MONTFORT
|                          |                  /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
|                          |                 |        |         /-----Helias Count Of Maine
|                          |                 |         \-----Erembourg Of Maine
|                          |                 |                  \-----Matilda De Chateau-Du-Loir
|                          |         /-----Henry II Curt Mantel PLANTAGENET, King Of England
|                          |        |        |                  /-----William The Conqueror King Of England
|                          |        |        |         /-----Henry I Beauclerc King Of England
|                          |        |        |        |         \-----Maud Of Flanders
|                          |        |         \-----Matilda
|                          |        |                 |         /-----Mael Coluim Ceann Moir (Malcolm III) Canmore Mac DONNCHAD, King Of Scots
|                          |        |                  \-----Matilda Of Scotland
|                          |        |                           \-----Saint Margaret Of Scotland
|                           \-----Eleanor Of England
|                                   |                           /-----William VI Geoffrey Count Of Poitou
|                                   |                  /-----William VII Count Of Poitou, IX Duke Of Aquitain
|                                   |                 |         \-----Hildegarde Of Burgundy
|                                   |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
|                                   |        |        |         /-----William IV Count Of Toulouse
|                                   |        |         \-----Maud Of Toulouse
|                                   |        |                  \-----Emma De MORTAIN
|                                    \-----Eleanor Duchess Of Aquitaine
|                                            |                  /-----Boso II Vicount De Chastellerault
|                                            |         /-----Aimery I Vicount De Chatellerault
|                                            |        |         \-----Eleanor De THOUARS
|                                             \-----Eleanor De CHASTELLERAULT
|                                                     |         /-----Barthelemy Sire De Isle Bouchard
|                                                      \-----Dangerose
|                                                               \-----Gerberga
Isabel De BEAUMONT
|                                                               /-----Raoul IV Vicount Of Maine
|                                                      /-----Raoul V Vicount Of Beaumont And Maine
|                                                     |         \-----Eremburgie Of Cluny
|                                             /-----Hubert Vicount Of Beaumont And Maine
|                                            |        |         /-----Etienne De Montevrault
|                                            |         \-----Emma De Montevrault, Dame De Lude
|                                            |                  \-----Adelberge
|                                    /-----Raoul VII Vicount Of Fresnay, Beaumont, And St Suz
|                                   |        |                  /-----Renaud I Count Of Nevers
|                                   |        |         /-----William I Count Of Nevers
|                                   |        |        |         \-----Alvais Of France
|                                   |         \-----Ermengarde Of Nevers
|                                   |                 |         /-----Renaud Count Of Tonnerre
|                                   |                  \-----Ermengarde Of Tonnerre
|                                   |                           \-----Helvis/Erwig
|                           /-----Roscelin De BEAUMONT, Viscount Of Maine
|                          |        |                           /-----Guy I Lord Of Laval
|                          |        |                  /-----Hamon Lord Of Laval
|                          |        |                 |         \-----Bertha De TOENI
|                          |        |         /-----Guy II Sire De Laval
|                          |        |        |         \-----Hersende
|                          |         \-----Adenor Of Laval
|                          |                 |                  /-----Herluin De Contreville
|                          |                 |         /-----Robert De Mortain, Count Of Mortain In Avranchi
|                          |                 |        |         \-----Herleve Of Falaise
|                          |                  \-----Denise Of Mortain
|                          |                          |         /-----Roger De Montgomery, Earl Of Shrewsbury
|                          |                           \-----Maud De Montgomery
|                          |                                    \-----Mabel De Belesme
|                  /-----Richard I De BEAUMONT, Viscount Of Maine
|                 |        |                                    /-----Richard II The Good Duke Of Normandy
|                 |        |                           /-----Robert I The Devil Duke Of Normandy
|                 |        |                          |         \-----Judith Of Brittany
|                 |        |                  /-----William The Conqueror King Of England
|                 |        |                 |        |         /-----Fulbert Of Falaise
|                 |        |                 |         \-----Herleve Of Falaise
|                 |        |                 |                  \-----Duxia
|                 |        |         /-----Henry I Beauclerc King Of England
|                 |        |        |        |                  /-----Baldwin IV The Bearded Count Of Flanders
|                 |        |        |        |         /-----Baldwin V Count Of Flanders
|                 |        |        |        |        |         \-----Ogive Of Luxembourg
|                 |        |        |         \-----Maud Of Flanders
|                 |        |        |                 |         /-----Robert II The Pious King Of France
|                 |        |        |                  \-----Adelaide Of France
|                 |        |        |                           \-----Constance Of Provence
|                 |         \-----Constance
|         /-----Raoul De BEAUMONT, Vicomte of Beaumont
|        |        |         /-----Richard II Seigneur of l'Aigle
|        |         \-----Lucie De L'AIGLE
|        |                  \-----Beatrice
 \-----Agnes De BEAUMONT
          \-----Agnes



Descendants of Isabel De BEAUMONT
1. Isabel De BEAUMONT m. John De VESCY, Baron Of Alnwick
m. John De VESCY, Baron Of Alnwick father: William De VESCY, Baron Of Alnwick mother: Agnes De FERRERS