Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 05-01-2023.

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 may be downloaded here.

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


Individual Page


Family:
Marriage: Children:
  1. Margarita Of Montferrat Death: After 1286

Bibliography
  1. Altschul, Michael, A Baronial Family in Medieval England: The Clares, 1217-1314. Baltimore: John Hopkins Press, 1965. Dana Library (Rutgers Newark) CS439.C6285. Information from this source tagged as [Ref: Altschul CLARE [p#][0-9]*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 05 E-Goojerat. London: St Catherine Press, 1926. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP V [Ap][p0-9].*].
  3. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
  4. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.1 (#1-#200): Herzogs und Grafenhauser des Heiligen Romischen Reiches Andere Europaische Furstenhauser. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES III.1 #[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 v2p[0-9]*].

Sources for birth and parent Information
date:
[Ref: CP V p700(h)]
1240 [Ref: Altschul CLARE #2, ES II #200, ES III.1 #156],
parents:
[Ref: Altschul CLARE #2, CP V p700(h), Richardson RoyalAnc v2p192],
father:
[Ref: ES II #200]
Sources for death Information
date:
abt 1271 [Ref: Altschul CLARE #2]
vor 1271 [Ref: ES II #200, ES III.1 #156]
Sources with Information about marriage to William VII Margrave Of Montferrat
date:
[Ref: Richardson RoyalAnc v2p194]
(28.III 1257) [Ref: ES II #200]
1258 [Ref: Altschul CLARE #2, ES III.1 #156]
Jun 1257 [Ref: CP V p700(h)],
place:
[Ref: CP V p700(h), Richardson RoyalAnc v2p194],
child:
[Ref: Richardson RoyalAnc v2p194]
Research Notes:



Pedigree of Isabel De CLARE
                                                                /-----Gilbert Count Of Brionne
                                                       /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                                              /-----Gilbert FITZ RICHARD, Baron Of Clare
                                             |        |         /-----Walter Giffard Lord Of Longueville
                                             |         \-----Rohese GIFFARD
                                             |                  \-----Ermengarde FLATEL
                                     /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                                    |        |                  /-----Renaud Count Of Clermont
                                    |        |         /-----Hugh Count Of Clermont
                                    |        |        |         \-----Ermengardis
                                    |         \-----Adeliza De CLERMONT
                                    |                 |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
                                    |                  \-----Margaret De Roucy
                                    |                           \-----Adele De Roucy
                            /-----Roger De CLARE, Earl Of Hertford
                           |        |                           /-----Ranulph I De MESCHINES, Vicomte De Bayeux
                           |        |                  /-----Ranulph II De MESCHINES, Vicomte De Bayeux
                           |        |                 |         \-----Alice Of Normandy
                           |        |         /-----Ranulph III De MESCHINES, Earl Of Chester
                           |        |        |        |         /-----Richard Le Goz, Vicomte D'Avranches
                           |        |        |         \-----Margaret Le Goz
                           |        |        |                  \-----Emma
                           |         \-----Adeliza Le MESCHIN
                           |                 |                  /-----(Unk)
                           |                 |         /-----Thorold Of Buckingham, Sheriff Of Lincoln
                           |                  \-----Lucia Of East Angies
                           |                          |         /-----William MALET
                           |                           \-----(Unk Dau)
                           |                                    \-----Esilia CRISPIN
                   /-----Richard De CLARE, Earl Of Hertford, MC Surety
                  |        |                                    /-----(Unk) De St James
                  |        |                           /-----Eudo De St James
                  |        |                  /-----Hasculf De St JAMES, Baron Of Field Dalling
                  |        |         /-----James De St HILARY, Baron Of Field Dalling
                  |        |        |         \-----Matilda
                  |         \-----Maud St. HILLARY
                  |                  \-----Aveline
          /-----Sir Gilbert De CLARE, Earl Of Hertford And Glouceste
         |        |                                             /-----Robert I The Devil Duke Of Normandy
         |        |                                    /-----William The Conqueror King Of England
         |        |                                   |         \-----Herleve Of Falaise
         |        |                           /-----Henry I Beauclerc King Of England
         |        |                          |        |         /-----Baldwin V Count Of Flanders
         |        |                          |         \-----Maud Of Flanders
         |        |                          |                  \-----Adelaide Of France
         |        |                  /-----Robert The Consul De CAEN, Earl Of Gloucester
         |        |         /-----William Meullant FITZ ROBERT, Earl Of Gloucester
         |        |        |        |                           /-----Hamon-Aux-Dents Lord Of Torigny
         |        |        |        |                  /-----Hamon Sheriff Of Kent
         |        |        |        |         /-----Robert FITZ HAMOND, Lord Of Tewkesbury
         |        |        |         \-----Maud FITZ HAMOND
         |        |        |                 |                  /-----Roger De Montgomery, Seigneur Of Montgomery
         |        |        |                 |         /-----Roger De Montgomery, Earl Of Shrewsbury
         |        |        |                 |        |         \-----Emma
         |        |        |                  \-----Sybil De Montgomery
         |        |        |                          |         /-----William II TALVAS
         |        |        |                           \-----Mabel De Belesme
         |        |        |                                    \-----Hildeburg
         |         \-----Amice MEULANT, Countess Of Gloucester
         |                 |                                    /-----Humphrey De Vieilles
         |                 |                           /-----Roger De Beaumont
         |                 |                          |         \-----Aubreye De La Haie
         |                 |                  /-----Sir Robert De Beaumont, Earl Of Leicester
         |                 |                 |        |         /-----Waleran Count Of Meulan
         |                 |                 |         \-----Adelise Of Meulan
         |                 |                 |                  \-----Ode
         |                 |         /-----Sir Robert II De Beaumont, Earl Of Leicester
         |                 |        |        |                  /-----Henry I King Of France
         |                 |        |        |         /-----Hugh Magnus Duke Of France
         |                 |        |        |        |         \-----Anne Of Kiev
         |                 |        |         \-----Isabel De Vermandois, Countess Of Leicester
         |                 |        |                 |         /-----Herbert IV Count Of Vermandois
         |                 |        |                  \-----Adelaide De Vermandois, Countess Of Vermandois
         |                 |        |                           \-----Adela De Valois
         |                  \-----Hawise DeBEAUMONT
         |                          |                           /-----Ralph De Gael, Earl Of Norfolk
         |                          |                  /-----Ralph De Gael De Montfort, Earl Of Norfolk
         |                          |                 |         \-----Getha
         |                          |         /-----Ralph De MONTFORT, Seigneur Of Montfort-Gael
         |                          |        |        |         /-----William Fitz Osbern, Earl Of Hereford
         |                          |        |         \-----Emma Fitz Osbern
         |                          |        |                  \-----Adelise De TONI
         |                           \-----Amicia De Gael
 /-----Richard De CLARE, Earl Of Gloucester And Hertfor
|        |                                    /-----Robert Marshal
|        |                           /-----Gilbert GIFFARD, Marshal
|        |                  /-----John Fitz GILBERT The Marshal
|        |                 |        |         /-----Geoffrey De VENOIZ
|        |                 |         \-----(Unk dau) De VENOIZ
|        |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
|        |        |        |                           /-----Girold DAPIFER
|        |        |        |                  /-----Edward De SARESBERIE, Baron Of Trowbridge
|        |        |        |                 |         \-----Wulfwynn Of Cresswell
|        |        |        |         /-----Walter De SALISBURY, Baron Of Chitterne
|        |        |         \-----Sibyl De SALISBURY
|        |        |                 |                  /-----Hugh
|        |        |                 |         /-----Patric De CHAWORTH, Baron Of Kempsford
|        |        |                  \-----Sibyl De CHAWORTH
|        |        |                          |                  /-----(Unk) De HESDIN
|        |        |                          |         /-----Ernulph De HESDIN, Baron Of Keevil
|        |        |                           \-----Matilda De HESDIN
|        |        |                                    \-----Emmeline
|         \-----Isabel MARSHALL
|                 |                                             /-----Gilbert Count Of Brionne
|                 |                                    /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|                 |                           /-----Gilbert FITZ RICHARD, Baron Of Clare
|                 |                          |        |         /-----Walter Giffard Lord Of Longueville
|                 |                          |         \-----Rohese GIFFARD
|                 |                          |                  \-----Ermengarde FLATEL
|                 |                  /-----Gilbert De CLARE, Earl Of Pembroke
|                 |                 |        |                  /-----Renaud Count Of Clermont
|                 |                 |        |         /-----Hugh Count Of Clermont
|                 |                 |        |        |         \-----Ermengardis
|                 |                 |         \-----Adeliza De CLERMONT
|                 |                 |                 |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
|                 |                 |                  \-----Margaret De Roucy
|                 |                 |                           \-----Adele De Roucy
|                 |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
|                 |        |        |                           /-----Humphrey De Vieilles
|                 |        |        |                  /-----Roger De Beaumont
|                 |        |        |                 |         \-----Aubreye De La Haie
|                 |        |        |         /-----Sir Robert De Beaumont, Earl Of Leicester
|                 |        |        |        |        |         /-----Waleran Count Of Meulan
|                 |        |        |        |         \-----Adelise Of Meulan
|                 |        |        |        |                  \-----Ode
|                 |        |         \-----Elizabeth De BEAUMONT
|                 |        |                 |                  /-----Henry I King Of France
|                 |        |                 |         /-----Hugh Magnus Duke Of France
|                 |        |                 |        |         \-----Anne Of Kiev
|                 |        |                  \-----Isabel De Vermandois, Countess Of Leicester
|                 |        |                          |         /-----Herbert IV Count Of Vermandois
|                 |        |                           \-----Adelaide De Vermandois, Countess Of Vermandois
|                 |        |                                    \-----Adela De Valois
|                  \-----Isabel De CLARE, Countess Of Pembroke
|                          |                                    /-----Diarmait MacMAEL Nam BO, King Of Hy Kinsale
|                          |                           /-----Murchad Mac DAIRMAIT, King Of Laigin And Leinste
|                          |                          |         \-----Darbforgaill
|                          |                  /-----Donnchad Mac MURCHAD, King Of Dublin, Laigin, Lei
|                          |                 |        |         /-----Muirchertach MacBRICC, King Of Dessi
|                          |                 |         \-----Sadb
|                          |         /-----Dairmait Mac MURCHAD, King Of Leinster
|                          |        |        |         /-----Gilla Michil Ua Braenain
|                          |        |         \-----Orlaith
|                          |        |                 |         /-----Caernachan Hui Garbita, King Of Ui Feilmeda
|                          |        |                  \-----Iuchdelb
|                           \-----Aoife Macmurchada Of Leinster
|                                   |                           /-----Doncuan Ua TUATHAIL
|                                   |                  /-----Gillacomghall Ua TUATHAIL
|                                   |                 |         \-----Sadb Ingen Mael Morda Ua Domnaill
|                                   |         /-----Muirchertach Ua TUATHAIL, King Of Ui Muiredaig
|                                    \-----Mor Ua TUATHAIL
|                                            |                  /-----Amargein Ua MORDA, King Of Loigsi
|                                            |         /-----Loigsech Ua MORDA, King Of Leix
|                                            |        |         \-----Gormlaith Ingen Mac Carrach Calma
|                                             \-----Cacht Of Leix
|                                                     |         /-----Find Ua CAELLUIDHE
|                                                      \-----Gormflaith
Isabel De CLARE
|                                                               /-----Richard FITZRANULF
|                                                      /-----John FITZRICHARD
|                                             /-----Eustace Fitz John De BURGO, Constable Of Chester
|                                    /-----Richard FITZ EUSTACE, Constable Of Chester
|                                   |        |                  /-----Nigell De HALTON, Constable Of Chester
|                                   |        |         /-----William FITZ NIGEL, Constable Of Chester
|                                   |         \-----Agnes De HALTON
|                                   |                 |         /-----Yarfield Of Widness
|                                   |                  \-----Adeliz Of Widness
|                           /-----John Fitz Richard, Constable Of Chester
|                          |        |                           /-----(Unk) De LISOURS
|                          |        |                  /-----Fulk De LISOURS
|                          |        |         /-----Robert LIZOURS
|                          |        |        |         \-----Aubrey
|                          |         \-----Albreada LIZOURS, Baroness Of Pontfract
|                          |                 |                  /-----Ilbert De LACY, Baron Of Pontefract
|                          |                 |         /-----Robert De LACY, Baron Of Pontefract
|                          |                 |        |         \-----Hawise
|                          |                  \-----Aubrey De LACY
|                          |                           \-----Maud
|                  /-----Roger De LACY, Baron Of Pontefract
|                 |        |                           /-----(Unk) De CANTELOWE
|                 |        |                  /-----Richard
|                 |        |         /-----Roger FITZ RICHARD, Baron Of Warkworth
|                 |        |        |        |                  /-----Robert Le BIGOT
|                 |        |        |        |         /-----Roger BIGOD, Baron Of Framlingham
|                 |        |        |         \-----Jane BIGOD
|                 |        |        |                 |         /-----Robert De TOENI, Lord Of Belvoir
|                 |        |        |                  \-----Alice De TOENI
|                 |        |        |                           \-----Adelais
|                 |         \-----Alice Fitz Roger
|                 |                 |                  /-----Alberic De VERE, Baron Of Hedingham
|                 |                 |         /-----Alberic II De VERE, Baron Of Hedingham
|                 |                 |        |         \-----Beatrix
|                 |                  \-----Alice De VERE
|                 |                          |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|                 |                          |         /-----Gilbert FITZ RICHARD, Baron Of Clare
|                 |                          |        |         \-----Rohese GIFFARD
|                 |                           \-----Adeliza De CLARE
|                 |                                   |         /-----Hugh Count Of Clermont
|                 |                                    \-----Adeliza De CLERMONT
|                 |                                             \-----Margaret De Roucy
|         /-----John De LACY, Earl Of Lincoln, MC Surety
|        |        |                                             /-----Eberhard Count Of Bretemil
|        |        |                                    /-----Hugh I Vicount Of Chartres, Chatelain Of Puiset
|        |        |                                   |         \-----Humberge
|        |        |                           /-----Ebrard III Seigneur De Puiset
|        |        |                          |        |         /-----Guy Seigneur De Montchery And Bray
|        |        |                          |         \-----Alix Of Monthlery
|        |        |                          |                  \-----Hodierna De La Ferte
|        |        |                  /-----Hugh III Seigneur De Puiset, Vicount Chartres
|        |        |                 |        |                  /-----Renaud Of Corbeil
|        |        |                 |        |         /-----Bouchard II Count Of Corbeil
|        |        |                 |         \-----Adelaide Of Corbeil
|        |        |                 |                  \-----Adelaide De Crecy
|        |        |         /-----Ebrard IV Seigneur De Puiset, Vicount Chartres
|        |        |        |        |                           /-----Eudes II Count Of Blois
|        |        |        |        |                  /-----Theobald III Count Of Blois And Champagne
|        |        |        |        |                 |         \-----Ermengarde Of Auvergne
|        |        |        |        |         /-----Stephen Count Of Blois, Leader Of First Crusade
|        |        |        |        |        |        |         /-----Herbert Count Of Maine
|        |        |        |        |        |         \-----Garsend Of Maine
|        |        |        |         \-----Agnes
|        |        |        |                 |                  /-----Robert I The Devil Duke Of Normandy
|        |        |        |                 |         /-----William The Conqueror King Of England
|        |        |        |                 |        |         \-----Herleve Of Falaise
|        |        |        |                  \-----Adela
|        |        |        |                          |         /-----Baldwin V Count Of Flanders
|        |        |        |                           \-----Maud Of Flanders
|        |        |        |                                    \-----Adelaide Of France
|        |         \-----Maud De CLERE
|        |                  \-----Heloise De ROUCY
 \-----Maud De LACY
         |                                    /-----Saher De QUINCEY, Lord Of Buckby In Northampto
         |                           /-----Robert De QUINCEY
         |                          |        |                  /-----Ranulph Le Rich
         |                          |        |         /-----Simon De St. LIZ, Earl Of Huntingdon
         |                          |         \-----Maud De ST LIZ
         |                          |                 |         /-----Waltheof II Earl Of Huntingdon
         |                          |                  \-----Maud Of Huntingdon
         |                          |                           \-----Judith Of Lens
         |                  /-----Saire De QUINCEY, Earl Of Winchester, MC Suret
         |                 |        |                  /-----William Lord Of Leuchars
         |                 |        |         /-----Ness Of Leuchars
         |                 |         \-----Orabella
         |         /-----Robert De QUINCEY
         |        |        |                                    /-----Roger De Beaumont
         |        |        |                           /-----Sir Robert De Beaumont, Earl Of Leicester
         |        |        |                          |         \-----Adelise Of Meulan
         |        |        |                  /-----Sir Robert II De Beaumont, Earl Of Leicester
         |        |        |                 |        |         /-----Hugh Magnus Duke Of France
         |        |        |                 |         \-----Isabel De Vermandois, Countess Of Leicester
         |        |        |                 |                  \-----Adelaide De Vermandois, Countess Of Vermandois
         |        |        |         /-----Sir Robert De BEAUMONT, Earl Of Leicester
         |        |        |        |        |                  /-----Ralph De Gael De Montfort, Earl Of Norfolk
         |        |        |        |        |         /-----Ralph De MONTFORT, Seigneur Of Montfort-Gael
         |        |        |        |        |        |         \-----Emma Fitz Osbern
         |        |        |        |         \-----Amicia De Gael
         |        |         \-----Margaret BEAUMONT
         |        |                 |                           /-----Hugh De Grantmesnil, Baron Of Leicester
         |        |                 |                  /-----Robert De GRANTMESNIL
         |        |                 |                 |         \-----Adeliza Of Beaumont
         |        |                 |         /-----William De GRANTMESNIL
         |        |                 |        |        |         /-----Robert De Estouteville
         |        |                 |        |         \-----Emma De Estouteville
         |        |                 |        |                  \-----Beatrix
         |        |                  \-----Petronilla De GRANTMESNIL
          \-----Margaret De QUINCY, Heiress Of Lincoln
                  |                                             /-----Ranulph I De MESCHINES, Vicomte De Bayeux
                  |                                    /-----Ranulph II De MESCHINES, Vicomte De Bayeux
                  |                                   |         \-----Alice Of Normandy
                  |                           /-----Ranulph III De MESCHINES, Earl Of Chester
                  |                          |        |         /-----Richard Le Goz, Vicomte D'Avranches
                  |                          |         \-----Margaret Le Goz
                  |                          |                  \-----Emma
                  |                  /-----Ranulf De GERNON, Earl Of Chester, Vicomte D'Avranches
                  |                 |        |                  /-----(Unk)
                  |                 |        |         /-----Thorold Of Buckingham, Sheriff Of Lincoln
                  |                 |         \-----Lucia Of East Angies
                  |                 |                 |         /-----William MALET
                  |                 |                  \-----(Unk Dau)
                  |                 |                           \-----Esilia CRISPIN
                  |         /-----Hugh Of Kevelioc, Earl Of Chester
                  |        |        |                           /-----William The Conqueror King Of England
                  |        |        |                  /-----Henry I Beauclerc King Of England
                  |        |        |                 |         \-----Maud Of Flanders
                  |        |        |         /-----Robert The Consul De CAEN, Earl Of Gloucester
                  |        |         \-----Maud De CAEN
                  |        |                 |                  /-----Hamon Sheriff Of Kent
                  |        |                 |         /-----Robert FITZ HAMOND, Lord Of Tewkesbury
                  |        |                  \-----Maud FITZ HAMOND
                  |        |                          |         /-----Roger De Montgomery, Earl Of Shrewsbury
                  |        |                           \-----Sybil De Montgomery
                  |        |                                    \-----Mabel De Belesme
                   \-----Hawise Of Chester, Countess Of Lincoln
                           |                                    /-----Amauri III De MONTFORT
                           |                           /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
                           |                          |         \-----Bertrade De GOMMETZ
                           |                  /-----Amauri IV De MONTFORT, Count Of Evereux
                           |                 |        |         /-----Richard Count Of Evereux
                           |                 |         \-----Agnes Of Evereux
                           |                 |                  \-----Godehildie
                           |         /-----Simon De MONTFORT, Count Of Evreux
                           |        |        |                  /-----Adam Of Garlande
                           |        |        |         /-----Anscau De Garlande, Seneschal Of France
                           |        |         \-----Agnes De Garlande
                           |        |                  \-----(Unk) De Montmorency
                            \-----Bertrade De MONTFORT
                                     \-----Maud



Descendants of Isabel De CLARE
1. Isabel De CLARE m. William VII Margrave Of Montferrat
m. William VII Margrave Of Montferrat father: Boniface II Margrave Of Montferrat mother: Margaret Of Savoy

2nd generation

2. Margarita Of Montferrat m. Juan Of Castile, Lord Of Valencia
m. Juan Of Castile, Lord Of Valencia father: Alfonso X King Of Castile And Leon mother: Iolande Of Aragon