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. Jean De BRIENNE, Viscount Of Beaumont In Main Birth: 1 Death: Before 1306
  2. Henry De BEAUMONT, Earl Of Buchan Birth: 4 Death: 10 Mar 1339/40 in Loughborough, Leicestershire
  3. Richard De BRIENNE
  4. Louis De BRIENNE, Bishop of Durham Birth: Abt 1271 in France Death: 24 Sep 1333 in Brantingham, Yorkshire
  5. Charles De BRIENNE
  6. Marie De BRIENNE Death: Before 1339
  7. Isabel De BEAUMONT Death: Abt 1 Nov 1334
  8. Jeanne Of Beaumont Death: 1323
  9. Marguerite of BRIENNE Death: 9 Apr 1328

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 02 Bass-Canning. London: St Catherine Press, 1912. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 2 also available at http://archive.org/completepeerageo02coka Information from this source tagged as [Ref: CP II [Ap][p0-9].*].
  2. 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].*].
  3. 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]*].
  4. Paget, Gerald, The Lineage and Ancestry of H.R.H. Prince Charles, Prince of Wales. London: Charles Skilton Ltd, 1977. Nypl ARF+ 78-835. Information from this source tagged as [Ref: Paget HRHCharles p[0-9]*].
  5. 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]*].
  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 v1[pc][0-9]*].
  7. Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].
  8. Weis, Frederick Lewis, Walter Lee Sheppard, Jr, David Faris, Ancestral Roots of Certain American Colonists who came to America before 1700, 7th Edition, Baltimore: Genealogical Publishing Co, 1992. Information from this source tagged as [Ref: Weis AR7 #[0-9][0-9]*[A-Z]*].

Sources for birth and parent Information
parents:
[Ref: Richardson PA p82, Richardson RoyalAnc v1p303, Weis AR7 #114],
father:
[Ref: CP II p59, Paget HRHCharles p78, Watney WALLOP #78]
Sources for death Information
date:
28 Nov (year unknown), will dated 1311 [Ref: Richardson RoyalAnc v1p303]
28 Nov after 1304 [Ref: Richardson PA p82]
28.XI nach 1304 [Ref: ES III.4 #683]
9.V 1301 [Ref: ES III.4 #687]
Sources for burial Information
place:
[Ref: Richardson PA p82, Richardson RoyalAnc v1p303]
Sources with Information about marriage to Louis De BRIENNE, Viscount Of Beaumont In Main
date:
[Ref: ES III.4 #683, ES III.4 #687, Richardson PA p82, Richardson RoyalAnc v1p303]
before Feb 1253 [Ref: Paget HRHCharles p78, Watney WALLOP #78],
names:
[Ref: Richardson RoyalAnc v1p538],
child:
[Ref: CP II p59(b), CP II p59, CP XII/2 p280, ES III.4 #684, Paget HRHCharles p78, Richardson PA p82, Richardson PA p83, Richardson RoyalAnc v1p303, Richardson RoyalAnc v1p305, Richardson RoyalAnc v1p306, Watney WALLOP #78, Weis AR7 #114]
Research Notes:
daughter and eventual sole heir of Raoul, Vicount of Beaumont [Ref: CP II p59, CP XII/2 p280]

1242: heiress to her brother, Richard de Beaumont, Vicomte of Beaumont [Ref: Richardson PA p82, Richardson RoyalAnc v1p303]



Pedigree of Agnes De BEAUMONT
                                                                /-----Raoul III Vicount Of Maine
                                                       /-----Raoul IV Vicount Of Maine
                                                      |         \-----Godehaut Of Belleme
                                              /-----Raoul V Vicount Of Beaumont And Maine
                                             |        |         /-----Ives Of Cluny
                                             |         \-----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
                           |        |                           /-----Laundry III Seigneur De Maers And De Monceau
                           |        |                  /-----Renaud I Count Of Nevers
                           |        |                 |         \-----Matilda Of Burgundy
                           |        |         /-----William I Count Of Nevers
                           |        |        |        |         /-----Robert II The Pious King Of France
                           |        |        |         \-----Alvais Of France
                           |        |        |                  \-----Constance Of Provence
                           |         \-----Ermengarde Of Nevers
                           |                 |                  /-----Milo Count Of Tonnerre
                           |                 |         /-----Renaud Count Of Tonnerre
                           |                 |        |         \-----Ermengarde Of Bar
                           |                  \-----Ermengarde Of Tonnerre
                           |                           \-----Helvis/Erwig
                   /-----Roscelin De BEAUMONT, Viscount Of Maine
                  |        |                           /-----Guy I Lord Of Laval
                  |        |                  /-----Hamon Lord Of Laval
                  |        |                 |        |         /-----Ralph II De TOENI, Seigneur Of Tonsi And Conches
                  |        |                 |         \-----Bertha De TOENI
                  |        |         /-----Guy II Sire De Laval
                  |        |        |         \-----Hersende
                  |         \-----Adenor Of Laval
                  |                 |                  /-----Herluin De Contreville
                  |                 |         /-----Robert De Mortain, Count Of Mortain In Avranchi
                  |                 |        |        |         /-----Fulbert Of Falaise
                  |                 |        |         \-----Herleve Of Falaise
                  |                 |        |                  \-----Duxia
                  |                  \-----Denise Of Mortain
                  |                          |                  /-----Roger De Montgomery, Seigneur Of Montgomery
                  |                          |         /-----Roger De Montgomery, Earl Of Shrewsbury
                  |                          |        |         \-----Emma
                  |                           \-----Maud De Montgomery
                  |                                   |         /-----William II TALVAS
                  |                                    \-----Mabel De Belesme
                  |                                             \-----Hildeburg
          /-----Richard I De BEAUMONT, Viscount Of Maine
         |        |                                             /-----Richard I The Fearless Duke Of Normandy
         |        |                                    /-----Richard II The Good Duke Of Normandy
         |        |                                   |         \-----Gunnora
         |        |                           /-----Robert I The Devil Duke Of Normandy
         |        |                          |        |         /-----Conan I Duke Of Brittany
         |        |                          |         \-----Judith Of Brittany
         |        |                          |                  \-----Ermengarde Of Anjou
         |        |                  /-----William The Conqueror King Of England
         |        |                 |        |         /-----Fulbert Of Falaise
         |        |                 |         \-----Herleve Of Falaise
         |        |                 |                  \-----Duxia
         |        |         /-----Henry I Beauclerc King Of England
         |        |        |        |                           /-----Arnold II The Young Count Of Flanders
         |        |        |        |                  /-----Baldwin IV The Bearded Count Of Flanders
         |        |        |        |                 |         \-----Rosela Of Italy
         |        |        |        |         /-----Baldwin V Count Of Flanders
         |        |        |        |        |        |         /-----Frederick I Count Of Luxemburg
         |        |        |        |        |         \-----Ogive Of Luxembourg
         |        |        |        |        |                  \-----Ermentrude Of Kinziggau
         |        |        |         \-----Maud Of Flanders
         |        |        |                 |                  /-----Hugh Capet King Of France
         |        |        |                 |         /-----Robert II The Pious King Of France
         |        |        |                 |        |         \-----Adelaide Of Poitou
         |        |        |                  \-----Adelaide Of France
         |        |        |                          |         /-----William I Count Of Aries And Provence
         |        |        |                           \-----Constance Of Provence
         |        |        |                                    \-----Adelaide (Blanch) Of Anjou
         |         \-----Constance
 /-----Raoul De BEAUMONT, Vicomte of Beaumont
|        |         /-----Richard II Seigneur of l'Aigle
|         \-----Lucie De L'AIGLE
|                  \-----Beatrice
Agnes De BEAUMONT
 \-----Agnes



Descendants of Agnes De BEAUMONT
1. Agnes De BEAUMONT m. Louis De BRIENNE, Viscount Of Beaumont In Main
m. Louis De BRIENNE, Viscount Of Beaumont In Main father: Jean De BRIENNE, King Of Jerusalem mother: Berengaria Of Leon

2nd generation

2. Jean De BRIENNE, Viscount Of Beaumont In Main m1. Jeanne Of Guerche m2. Marie Berthout
m. Jeanne Of Guerche father: Geoffroy Seigneur De La Guerche mother: Emma Of Chateaugontier
m. Marie Berthout father: Walter VII Lord Of Mecheln mother: Marie Of Auvergne
3. Henry De BEAUMONT, Earl Of Buchan m. Alice COMYN
m. Alice COMYN father: Sir Alexander COMYN mother: Joanna LATIMER
7. Marie De BRIENNE m. Henry III Of Avaugour, Sn De Mayenne
m. Henry III Of Avaugour, Sn De Mayenne father: Alan Of Avaugour, Sn De Mayenne mother: Clemence
9. Jeanne Of Beaumont m. Guy VIII Lord Of Vitre And Laval
m. Guy VIII Lord Of Vitre And Laval father: Guy VII Lord Of Laval mother: Philippa Of Vitre

3rd generation

11. Robert De BRIENNE, Viscount Of Beaumont In Main m. Marie De Craon
m. Marie De Craon father: Maurice Of Craon, Sire De Craon And Sable mother: Mathilde Of Mecheln
12. John De BEAUMONT, Lord Beaumont, Earl Of Buch m. Eleanor PLANTAGENET
m. Eleanor PLANTAGENET father: Henry PLANTAGENET, Earl Of Lancaster mother: Maud CHAWORTH
17. Catherine De BEAUMONT m. David STRATHBOGIE, Earl Of Atholl, Lord Strath
m. David STRATHBOGIE, Earl Of Atholl, Lord Strath father: David STRATHBOGIE, Earl Of Atholl mother: Joan COMYN
18. Isabel BEAUMONT m. Henry PLANTGENET, K.G., Duke of Lancaster
m. Henry PLANTGENET, K.G., Duke of Lancaster father: Henry PLANTAGENET, Earl Of Lancaster mother: Maud CHAWORTH
20. Joan BEAUMONT m. Sir Fulk FITZWARIN, Lord Fitzwarin
m. Sir Fulk FITZWARIN, Lord Fitzwarin father: Fulk FITZWARIN, Lord Fitzwarin mother: Alianore De BEAUCHAMP
33. Andre Chatelain Of Love, Lord Of Chatillon-En- m. Eustachie Of Baucay
m. Eustachie Of Baucay father: Hugues Of Baucay mother: Alix Of Chatillon

4th generation

34. Jean De BRIENNE, Viscount Of Beaumont In Main m1. Isabeau Of Harcourt m2. Marguerite De Poitiers
m. Isabeau Of Harcourt father: Jean III Sire De Harcourt mother: Alix Of Brabant
m. Marguerite De Poitiers
35. Henry BEAUMONT, Lord Beaumont m. Margaret De VERE
m. Margaret De VERE father: John De VERE, Earl Of Oxford mother: Maud De BADLESMERE
37. David STRATHBOGIE, Earl Of Atholl, Lord Strath m. Elizabeth DeFERRERS
m. Elizabeth DeFERRERS father: Henry De FERRERS, Lord Ferrers Of Groby mother: Isabel De VERDUN
40. Blanche Of Lancaster m1. John De SEGRAVE m2. John Of Gaunt K.G., Duke of Lancaster
m. John De SEGRAVE father: John SEGRAVE, Lord Segrave mother: Margaret PLANTAGENET, Dutchess Of Norfolk
m. John Of Gaunt K.G., Duke of Lancaster father: Edward III King Of England mother: Philippa Of Hainault
41. Sir Fulk FITZWARIN, Lord Fitzwarin m. Margaret AUDLEY
m. Margaret AUDLEY father: Sir James De AUDLEY, Lord Audley mother: Isabel Le STRANGE
43. Jean Lord Of Chatilion Aubigne And Olivet m. Isabelle Of Tinteniac
m. Isabelle Of Tinteniac father: Jean Of Tinteniac mother: Jeanne Of Dol

5th generation

44. Marie Of Beaumont m. Guillaume De Chamaillard
m. Guillaume De Chamaillard father: Guillaume I Chamailliard, Seigneur of Anthenaise
45. John BEAUMONT, K.G., Lord Beaumont m. Catherine EVERINGHAM
m. Catherine EVERINGHAM father: Thomas EVERINGHAM
49. Eleanor BEAUMONT m. Richard De MOLEYNS
m. Richard De MOLEYNS father: Sir William De MOLEYNS mother: Margery BACOUN
50. Elizabeth STRATHBOGIE m1. Sir Thomas PERCY m2. Sir John SCROPE m3. Robert THORLEY
m. Sir Thomas PERCY father: Henry De PERCY, K.G., Earl Of Northumberland mother: Margaret De NEVILLE
m. Sir John SCROPE father: Sir Henry Le SCROPE, Lord Scrope Of Masham mother: Joan
m. Robert THORLEY
51. Philippe STRATHBOGIE m1. Sir Ralph PERCY m2. John HALSHAM
m. Sir Ralph PERCY father: Henry De PERCY, K.G., Earl Of Northumberland mother: Margaret De NEVILLE
m. John HALSHAM father: Robert HALSHAM
52. Philippa PLANTAGENET m. John I King Of Portugal
m. John I King Of Portugal father: Peter I King Of Portugal mother: Theresa Gille Lourengo
54. Elizabeth Of Lancaster m1. John HASTINGS, Earl Of Pembroke m2. Sir John De HOLAND, K.G., Duke Of Exeter m3. Sir John CORNWALL, K.G., Lord Fanhope
m. John HASTINGS, Earl Of Pembroke father: John De HASTINGS, K.G., Earl of Pembroke mother: Anne De MAUNY, Baroness Mauny
m. Sir John De HOLAND, K.G., Duke Of Exeter father: Sir Thomas De HOLAND, K.G., Earl Of Kent mother: Joan PLANTAGENET, Fair Maid Of Kent, Countess
m. Sir John CORNWALL, K.G., Lord Fanhope father: Sir John CORNWALL mother: (Unk Neice)
57. Henry IV King Of England m1. Mary De BOHUN m2. Joan Of Navarre m3.
m. Mary De BOHUN father: Humphrey IX De BOHUN, K.G., Earl Of Hereford mother: Joan FITZALAN
m. Joan Of Navarre father: Charles II King Of Navarre, Count Of Evereux mother: Joan Of France
59. Sir Fulk FITZWARIN, Lord Fitzwarin m. Elizabeth COGAN
m. Elizabeth COGAN father: Sir William COGAN mother: Isabel LORING
60. Jeanne Of Laval m1. Bertrand De GUESCLIN m2. Jean Guy XII Lord Of Laval
m. Bertrand De GUESCLIN
m. Jean Guy XII Lord Of Laval father: Guy X Lord Of Vitre And Laval mother: Beatrix Dame De Hede