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Family:
Marriage:
Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 09, Moels-Nugent. London: St Catherine Press, 1936. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP IX [Ap][p0-9].*].
  2. Clutterbuck, Robert, History and Antiquities of the County of Hertford, London: Nichols, Son, and Bentley, 1815-27, v1-3. Available at https://familysearch.org/search/catalog/188626. Information from this source tagged as [Ref: Clutterbuck Hertford v[1-3]p[0-9]*].
  3. Dugdale, Sir William, The baronage of England, or, An historical account of the lives and most memorable actions of our English nobility in the Saxons time to the Norman conquest, and from thence, of those who had their rise before the end of King Henry the Third's reign, 1675. Available at Early English Books Online (http://gateway.proquest.com.i.ezproxy.nypl.org/openurl? ctx_ver=Z39.88-2003&res_id=xri:eebo&rft_id=xri:eebo:image:52914), scanned from UMich University Library. Information from this source tagged as [Ref: Dugdale Baronage p[0-9]*].
  4. Dugdale, Sir William, The Antiquities of Warwickshire, Second Edition, London: 1730. Available (vol 1, pp1-640) at http://books.google.com/?id=EWhZAAAAYAAJ and (vol 2, pp641-1153) at http://books.google.com/?id=PhBaAAAAYAAJ. Also available at http://catalog.hathitrust.org/Record/000156000. Information from this source tagged as [Ref: Dugdale Warwickshire 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. 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: CP IX p129, Dugdale Baronage p410, Richardson RoyalAnc v4p138]
Sources for death Information
date:
before 1362 [Ref: Richardson RoyalAnc v4p139]
v.p [Ref: CP IX p129]
Sources with Information about marriage to Margaret BEAUCHAMP
date:
21 Edw III [Ref: Dugdale Baronage p410, Dugdale Warwickshire p803]
before 20 Jan 1349 (date of fine) [Ref: Richardson RoyalAnc v4p139]
disp Jul 1347 [Ref: CP IX p130],
names:
[Ref: Clutterbuck Hertford v1p358, Richardson PA p70, Richardson RoyalAnc v1p293, Richardson RoyalAnc v1p296]
Research Notes:
of Uppingham, Rutland, Ashtread and Newdigate, Surrey, Whitechurch, Warwickshire, etc [Ref: Richardson RoyalAnc v4p139]

heir apparent of his father [Ref: Richardson RoyalAnc v4p139]

special dispensation for marriage from Roger Northburgh Bishop of Coventry, being related in third and fourth degrees; marriage was designed by Piers and the Earl for the better founding a league of friendship betwixt themand their posteritie in regard that many suits had been betwixt their Ancestors [Ref: Dugdale Warwickshire p803]



Pedigree of Guy De MONTFORT
                                                                /-----Henry De MONTFORT
                                                       /-----Thurston De MONTFORT
                                              /-----Henry De MONTFORT
                                             |        |         /-----Geoffrey MURDAC
                                             |         \-----Juliane MURDAC
                                     /-----Thurston De MONTFORT
                                    |        |                  /-----Peter CORBUCION
                                    |        |         /-----Petrus CORBUCION
                                    |         \-----Emma CORBUCION
                                    |                  \-----Margaret
                            /-----Sir Piers De MONTFORT
                           |        |                           /-----William De CANTELU
                           |        |                  /-----Walter De CANTELOU
                           |        |         /-----Sir William De CANTELOU, Baron Of Eaton Bray
                           |        |        |         \-----Amice
                           |         \-----(Unk) De CANTELOU
                           |                 |                  /-----Audulf De BRACI
                           |                 |         /-----Audulf De BRACI
                           |                  \-----Mesceline De BRACI
                   /-----Sir Piers De MONTFORT
                  |        |                                    /-----Liulf
                  |        |                           /-----Liulf
                  |        |                  /-----Adam Of Aldithley
                  |        |         /-----Henry Of Aldithley
                  |        |        |        |                  /-----Orm
                  |        |        |        |         /-----Ralf FITZORM
                  |        |        |         \-----Emma FITZRALF
                  |         \-----Alice Of Aldithley
                  |                 |                           /-----William MAINWARING
                  |                 |                  /-----Roger MAINWARING
                  |                 |         /-----Sir Ralph MAINWARING, Seneschal Of Chester
                  |                  \-----Bertrad MAINWARING
                  |                          |                  /-----Ranulf De GERNON, Earl Of Chester, Vicomte D'Avranches
                  |                          |         /-----Hugh Of Kevelioc, Earl Of Chester
                  |                          |        |         \-----Maud De CAEN
                  |                           \-----Amicia Of Chester
          /-----John De MONTFORT, Lord Montfort
         |        |                  /-----Sir William De La MARE
         |        |         /-----Henry De La MARE
         |        |        |         \-----Basile
         |         \-----Maud De La MARE
         |                 |                                    /-----Alan De NEVILLE
         |                 |                           /-----Ralph De NEVILLE
         |                 |                          |         \-----Juliana CANU
         |                 |                  /-----Hugh De NEVILLE
         |                 |                 |        |         /-----Bertram RAFIN
         |                 |                 |         \-----(Unk) RAFIN
         |                 |         /-----Sir John De NEVILLE
         |                 |        |        |                  /-----Gervase FITZ ROGER De CORNHILL
         |                 |        |        |         /-----Henry De CORNHILL
         |                 |        |        |        |         \-----Agnes De CORNHILL
         |                 |        |         \-----Joan De CORNHILL
         |                 |        |                 |         /-----William De CURCY, Baron Of Stogursey
         |                 |        |                  \-----Alice De CURCY
         |                 |        |                           \-----Gundrada De WARENNE
         |                  \-----Joan De NEVILLE
         |                          |                           /-----Renaud De COURTENAY
         |                          |                  /-----Reginald De COURTENAY
         |                          |                 |         \-----(Unk)
         |                          |         /-----Sir Robert De COURTENAY, Baron Of Oakhampton
         |                          |        |        |         /-----William De COURCY
         |                          |        |         \-----Hawise De COURCY
         |                          |        |                  \-----Maud D'AVRANCHES, Lady Du Sap In Normandy
         |                           \-----Hawise De COURTENAY
         |                                   |                  /-----Baldwin De REVIERS, Earl Of Devon
         |                                   |         /-----William De REVIERS, Earl Of Devon
         |                                   |        |         \-----Adelise
         |                                    \-----Mary De VERNON
         |                                            |         /-----Sir Robert De DUNSTANVILLE, Count De Meulan
         |                                             \-----Maud De BEAUMONT
         |                                                      \-----Maud FITZ ROY
 /-----Piers De MONTFORT, Lord Montfort
|        |         /-----William De La PLAUNCHE
|         \-----Alice De La PLAUNCHE
|                  \-----Aelide
Guy De MONTFORT
|                                                      /-----Gerard De FURNIVAL
|                                             /-----Gerard De FURNIVAL
|                                            |         \-----Andel
|                                    /-----Sir Thomas De FURNIVAL
|                                   |        |                  /-----Richard De LUVETOT
|                                   |        |         /-----William De LUVETOT, Lord Of Worksop
|                                   |        |        |         \-----Cecily De BRITO
|                                   |         \-----Maud De LUVETOT
|                                   |                 |         /-----Walter FITZ ROBERT, Baron Of Little Dunmow
|                                   |                  \-----Maud FITZ WALTER
|                                   |                           \-----Maud De LUCY, Lady Of Diss
|                           /-----Sir Thomas De FURNIVAL
|                          |        |                           /-----Robert De FERRERS, Earl Of Derby
|                          |        |                  /-----William FERRERS, Earl Of Derby
|                          |        |                 |         \-----Margaret PEVERIL
|                          |        |         /-----William De FERRERS, Earl Of Derby
|                          |        |        |        |         /-----William De BRAOS, Baron Of Bramber
|                          |        |        |         \-----Sibyl De BRAOISE
|                          |        |        |                  \-----Bertha Of Hereford
|                          |         \-----Bertha De FERRERS
|                          |                 |                  /-----Ranulf De GERNON, Earl Of Chester, Vicomte D'Avranches
|                          |                 |         /-----Hugh Of Kevelioc, Earl Of Chester
|                          |                 |        |         \-----Maud De CAEN
|                          |                  \-----Agnes Of Chester, Lady Of Chartley
|                          |                          |         /-----Simon De MONTFORT, Count Of Evreux
|                          |                           \-----Bertrade De MONTFORT
|                          |                                    \-----Maud
|                  /-----Sir Thomas FURNIVAL, Lord Furnival
|         /-----Thomas De FURNIVAL, Lord Furnival
|        |        |                                             /-----Ansketil De BERGES
|        |        |                                    /-----Geoffrey Le DESPENSER
|        |        |                                   |         \-----Rohese
|        |        |                           /-----Thomas Le DESPENSER
|        |        |                  /-----Sir Hugh Le DESPENSER
|        |        |                 |         \-----Recuara
|        |        |         /-----Sir Hugh Le DESPENSER, Justiciar Of England
|        |         \-----Joan De DESPENSER
|        |                 |                                    /-----Gilbert BASSET
|        |                 |                           /-----Thomas BASSET
|        |                 |                          |         \-----Edith
|        |                 |                  /-----Sir Alan BASSET
|        |                 |                 |        |         /-----Alan De DUNSTANVILLE
|        |                 |                 |         \-----Adeliza De DUNSTANVILLE
|        |                 |         /-----Sir Philip BASSET, Justiciar Of England
|        |                 |        |        |                  /-----Stephen De GAI
|        |                 |        |        |         /-----Phillip De GAI
|        |                 |        |        |        |         \-----Aline PIPARD
|        |                 |        |         \-----Aline De GAI
|        |                 |        |                  \-----Sedzilia
|        |                  \-----Aline BASSET
|        |                          |                           /-----Godfrey III Count Of Louvain
|        |                          |                  /-----Godfrey De LOUVAINE
|        |                          |                 |         \-----Imaine Of Loos
|        |                          |         /-----Matthew De LOUVAINE, Baron Of Little Easton
|        |                          |        |        |         /-----Robert De HASTINGS, Baron Of Little Easton
|        |                          |        |         \-----Delicia (Alice) De HASTINGS
|        |                          |        |                  \-----Maud De FLAMVILLE
|        |                           \-----Hawise De LOUVAINE
|        |                                    \-----Muriel (Amy)
 \-----Margaret De FURNIVAL
         |                                                      /-----Harvey WALTER
         |                                             /-----Theobald WALTER
         |                                            |         \-----Maud De VALOINES
         |                                    /-----Theobald Le BOTELER
         |                                   |        |         /-----Sir Robert VAVASOUR
         |                                   |         \-----Maud VAVASOUR
         |                                   |                  \-----(Unk) De BIRKIN
         |                           /-----John De VERDUN
         |                          |        |                  /-----Bertram De VERDUN
         |                          |        |         /-----Nicholas De VERDUN
         |                          |        |        |         \-----Matilda FERRERS
         |                          |         \-----Rohese De VERDUN
         |                          |                  \-----Clemence
         |                  /-----Sir Theobald De VERDUN, Lord Verdun
         |                 |        |                           /-----Hugh De LACY, Baron Of Weobley
         |                 |        |                  /-----Walter De LACY, Baron Of Weobley
         |                 |        |                 |         \-----Roheis De MONMOUTH
         |                 |        |         /-----Gilbert De LACY
         |                 |        |        |        |         /-----William De BRAOS, Baron Of Bramber
         |                 |        |        |         \-----Margaret De BRAOISE
         |                 |        |        |                  \-----Matilda De ST VALERIE De HAIA
         |                 |         \-----Margaret De LACY, Lady Of Dulek
         |                 |                 |                  /-----Roger BIGOD, Earl Of Norfolk, MC Surety
         |                 |                 |         /-----Hugh BIGOD, Earl Of Norfolk, MC Surety
         |                 |                 |        |         \-----Ida Countess Of Norfolk
         |                 |                  \-----Isabel BIGOD
         |                 |                          |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
         |                 |                           \-----Maud MARSHALL
         |                 |                                    \-----Isabel De CLARE, Countess Of Pembroke
         |         /-----Sir Theobald De VERDUN, Lord Verdun
         |        |        |                                    /-----Humphrey IV De BOHUN, Baron Of Trowbridge
         |        |        |                           /-----Henry De BOHUN, Earl Of Hereford, MC Surety
         |        |        |                          |         \-----Margaret Of Huntingdon
         |        |        |                  /-----Humphrey V De BOHUN, Earl Of Hereford And Essex
         |        |        |                 |        |         /-----Geoffrey FITZ PIERS, Earl Of Essex
         |        |        |                 |         \-----Maud FITZ GEOFFREY De MANDEVILLE
         |        |        |                 |                  \-----Beatrice De SAY
         |        |        |         /-----Humphrey VI De BOHUN
         |        |        |        |        |                  /-----Hugh Sire De Lusignan
         |        |        |        |        |         /-----Raoul I De LUSIGNAN, Count D'Eu
         |        |        |        |        |        |         \-----Orengarde
         |        |        |        |         \-----Maud D'EU
         |        |        |        |                 |         /-----Henry Count D'Eu, Baron Of Hastings
         |        |        |        |                  \-----Alice D'EU, Countess Of Eu, Lady Of Hastings
         |        |        |        |                           \-----Maud De WARENNE
         |        |         \-----Margery De BOHUN
         |        |                 |                           /-----William De BRAOS, Baron Of Bramber
         |        |                 |                  /-----Reginald De BRAOS, Baron Of Bramber
         |        |                 |                 |         \-----Matilda De ST VALERIE De HAIA
         |        |                 |         /-----William De BRAIOSE, Baron Of Brecknock Castle
         |        |                 |        |        |         /-----Sir William De BRIWERE, Baron Of Horsley
         |        |                 |        |         \-----Gracia De BRIWERE
         |        |                 |        |                  \-----Beatrice De VALLE
         |        |                  \-----Eleanor De BRAIOSE
         |        |                          |                  /-----John Fitz GILBERT The Marshal
         |        |                          |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
         |        |                          |        |         \-----Sibyl De SALISBURY
         |        |                           \-----Eve MARSHALL
         |        |                                   |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
         |        |                                    \-----Isabel De CLARE, Countess Of Pembroke
         |        |                                             \-----Aoife Macmurchada Of Leinster
          \-----Joan VERDON
                  |                                             /-----Hugh De MORTIMER, Baron Of Wigmore
                  |                                    /-----Roger De MORTIMER, Baron Of Wigmore
                  |                                   |         \-----Maud De MESCHINES
                  |                           /-----Ralph MORTIMER, Baron Of Wigmore
                  |                          |        |         /-----Walkeline FERRERS, Lord Of Oakham
                  |                          |         \-----Isabel De FERRIERS
                  |                  /-----Sir Roger MORTIMER, Baron Of Wigmore
                  |                 |        |                  /-----Iorworth Drwyndwn Prince Of Gwynedd
                  |                 |        |         /-----Llewellyn Fawr The Great AP IORWORTH, Prince Of North Wales
                  |                 |        |        |         \-----Margred Ferch Madog
                  |                 |         \-----Gladys DHU
                  |                 |                 |         /-----Llywarch Goch
                  |                 |                  \-----Tangwystl Of Rhos
                  |         /-----Sir Edmund De MORTIMER, Lord Mortimer
                  |        |        |                           /-----William De BRAOS, Baron Of Bramber
                  |        |        |                  /-----Reginald De BRAOS, Baron Of Bramber
                  |        |        |                 |         \-----Matilda De ST VALERIE De HAIA
                  |        |        |         /-----William De BRAIOSE, Baron Of Brecknock Castle
                  |        |        |        |        |         /-----Sir William De BRIWERE, Baron Of Horsley
                  |        |        |        |         \-----Gracia De BRIWERE
                  |        |        |        |                  \-----Beatrice De VALLE
                  |        |         \-----Maud De BRAOISE
                  |        |                 |                  /-----John Fitz GILBERT The Marshal
                  |        |                 |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
                  |        |                 |        |         \-----Sibyl De SALISBURY
                  |        |                  \-----Eve MARSHALL
                  |        |                          |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
                  |        |                           \-----Isabel De CLARE, Countess Of Pembroke
                  |        |                                    \-----Aoife Macmurchada Of Leinster
                   \-----Maud De MORTIMER
                           |                                    /-----Ingleman De FIENNES
                           |                           /-----William De FIENNES
                           |                          |         \-----Sybilla De BOULOGNE
                           |                  /-----Sir Ingleman FIENNES, K.B., Lord Of Wendover
                           |                 |        |         /-----Alberic II De DAMMARTIN, Count Of Dammartin
                           |                 |         \-----Agnes De DAMMARTIN
                           |                 |                  \-----Maud Of Clermont
                           |         /-----Sir William FIENNES
                           |        |        |                  /-----Roger Lord Of Conde-En-Partie
                           |        |        |         /-----Nicolas Lord Of Balliol
                           |        |        |        |         \-----Alix Of Mons
                           |        |         \-----Isabel Of Conde
                           |        |                 |         /-----Arnoul IV Lord Of Morialme
                           |        |                  \-----Elisabeth Of Morialme
                            \-----Margaret FIENNES
                                    |                           /-----Erard II Count Of Brienne
                                    |                  /-----Jean De BRIENNE, King Of Jerusalem
                                    |                 |         \-----Agnes De MONTFAUCON
                                    |         /-----Jean De BRIENNE, Grand Butler Of France
                                    |        |        |         /-----Alfonso IX King Of Leon
                                    |        |         \-----Berengaria Of Leon
                                    |        |                  \-----Berengaria Of Castile
                                     \-----Blanche De BRIENNE, Lady Of Loupeland
                                             |                  /-----Geoffroy V Vicount Of Chateaudun
                                             |         /-----Geoffrey VI Vicomte De Chateaudun
                                             |        |         \-----Adele Of Nevers
                                              \-----Jeanne Dame De Chateau Du Loir
                                                      |         /-----William Of Roches, Seneschall Of Anjou
                                                       \-----Clemence Of Roches
                                                                \-----Marguerite Dame Of Sable



Descendants of Guy De MONTFORT
1. Guy De MONTFORT m. Margaret BEAUCHAMP
m. Margaret BEAUCHAMP father: Thomas BEAUCHAMP, Orig K.G., Earl Of Warwick mother: Katherine MORTIMER