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Family:
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. 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. 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]*].
  4. 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]*].

Sources for birth and parent Information
parents:
[Ref: Clutterbuck Hertford v3p513, Richardson PA p131, Richardson RoyalAnc v1p578],
father:
[Ref: CP XII/2 p687(j)]
Sources for death Information
date:
as infant [Ref: Clutterbuck Hertford v3p513]
Research Notes:



Pedigree of William WILLOUGHBY
                                                                /-----John WILLOUGHBY, Lord Willoughby
                                                       /-----Sir John WILLOUGHBY, Lord Willoughby
                                                      |         \-----Joan ROSCELYN
                                              /-----Sir Robert De WILLOUGHBY, Lord Willoughby
                                             |        |         /-----Robert De UFFORD, K.G., Earl of Suffolk
                                             |         \-----Cecily De UFFORD
                                             |                  \-----Margaret De NORWICH
                                     /-----Sir Thomas De WILLOUGHBY
                                    |        |                  /-----Eudo La ZOUCHE
                                    |        |         /-----William La ZOUCHE, Lord Zouche
                                    |        |        |         \-----Joan INGE
                                    |         \-----Margaret ZOUCHE
                                    |                 |         /-----William De ROS, Lord Ros Of Helmsley
                                    |                  \-----Elizabeth De Ros
                                    |                           \-----Margery De BADLESMERE
                            /-----Sir John De WILLOUGHBY, Lord Latimer
                           |        |                           /-----Randolph De NEVILLE, Lord Neville Of Raby
                           |        |                  /-----Ralph De NEVILLE, Lord Neville Of Raby
                           |        |                 |         \-----Euphemia De CLAVERING
                           |        |         /-----John De NEVILL, K.G. Lord Neville Of Raby
                           |        |        |        |         /-----Sir Hugh De AUDLEY, Lord Audley
                           |        |        |         \-----Alice AUDLEY
                           |        |        |                  \-----Isolda MORTIMER
                           |         \-----Elizabeth De NEVILL
                           |                 |                  /-----William Le LATIMER, Lord Latimer
                           |                 |         /-----William Le LATIMER, K.G., Lord Latimer
                           |                 |        |         \-----Elizabeth De BOTETOURTE
                           |                  \-----Elizabeth Le LATIMER, Baroness Latimer
                           |                          |         /-----Sir Edmund FITZ ALAN, Earl Of Arundel
                           |                           \-----Elizabeth FITZALAN
                           |                                    \-----Alice De WARENNE
                   /-----John De WILLOUGHBY, Lord Latimer
                  |         \-----Jane WELBY
          /-----Robert WILLOUGHBY, K.G., Lord Latimer, Lord Wi
         |        |                                             /-----Nicholas CHEYNE
         |        |                                    /-----Sir William CHEYNE
         |        |                                   |         \-----Alianore
         |        |                           /-----Sir Ralph CHEYNE
         |        |                          |        |         /-----Sir Ralph De GORGES, Lord Gorges
         |        |                          |         \-----Joan De GORGES
         |        |                          |                  \-----Eleanor (FERRE)
         |        |                  /-----Sir William CHEYNE
         |        |                 |        |         /-----Sir John PAVELY
         |        |                 |         \-----Joan PAVELY
         |        |                 |                  \-----Agnes De La MARE
         |        |         /-----Sir Edmund CHEYNEY
         |        |        |        |                  /-----Thomas STRETCH
         |        |        |        |         /-----Sir John STRETCH
         |        |        |        |        |        |         /-----Thomas ORWAY
         |        |        |        |        |         \-----Amy ORWAY
         |        |        |         \-----Cecily STRETCH
         |        |        |                  \-----Joan
         |         \-----Anne CHEYNEY
         |                 |                                    /-----Sir William De STAFFORD
         |                 |                           /-----Sir John De STAFFORD
         |                 |                          |         \-----Isabella De STAFFORD
         |                 |                  /-----Sir Humphrey STAFFORD
         |                 |                 |        |         /-----Sir Ralph De STAFFORD, K.G., Earl Of Stafford
         |                 |                 |         \-----Margaret STAFFORD
         |                 |                 |                  \-----Katharine De HASTING
         |                 |         /-----Sir Humphrey STAFFORD
         |                 |        |        |         /-----Sir John GRENVILLE
         |                 |        |         \-----Alice GRENVILLE
         |                  \-----Alice STAFFORD
         |                          |                           /-----Robert MALTRAVERS
         |                          |                  /-----John MAUTRAVERS
         |                          |                 |         \-----Lucy De BREUSE
         |                          |         /-----Sir John MAUTRAVERS
         |                          |        |        |         /-----Robert CIFREWAST
         |                          |        |         \-----Elizabeth CIFREWAST
         |                          |        |                  \-----Joan
         |                           \-----Elizabeth MAUTRAVERS
         |                                   |                  /-----William DAUMARLE
         |                                   |         /-----Sir William DAUMARLE
         |                                    \-----Elizabeth DAUMARLE
         |                                            |         /-----George MERIET
         |                                             \-----Agnes De MERIET
         |                                                      \-----Isabel
 /-----Robert WILLOUGHBY, Lord Willoughby
|        |                                                      /-----Sir Richard De CHAMPERNOUN
|        |                                             /-----Sir Richard CHAMPERNOUN
|        |                                            |         \-----Joan Of Cornwall
|        |                                    /-----Thomas CHAMPERNOUN
|        |                                   |        |         /-----Hugh De VALLETORT
|        |                                   |         \-----Elizabeth De VALLETORT
|        |                                   |                  \-----Lucy Le BRET
|        |                           /-----Sir Richard CHAMPERNOUN
|        |                          |        |         /-----Roger De ROHART
|        |                          |         \-----Eleanor De ROHART
|        |                          |                 |         /-----Richard LOVEL, Lord Lovel Of Castle Cary
|        |                          |                  \-----Eleanor LOVEL
|        |                          |                           \-----Muriel De SOULES
|        |                  /-----Alexander CHAMPERNOUN
|        |                 |        |                           /-----Andrew Of Astley, Lord Astley
|        |                 |        |                  /-----Sir Giles ASTLEY
|        |                 |        |                 |         \-----Sibyl
|        |                 |        |         /-----Thomas ASTLEY, Lord Astley
|        |                 |        |        |        |         /-----Sir Thomas WOLVEY
|        |                 |        |        |         \-----Alice WOLVEY
|        |                 |        |        |                  \-----Alice
|        |                 |         \-----Alice De ASTLEY
|        |                 |                 |                  /-----William De BEAUCHAMP, Earl Of Warwick
|        |                 |                 |         /-----Sir Guy De BEAUCHAMP, Earl Of Warwick
|        |                 |                 |        |         \-----Maud FITZJOHN
|        |                 |                  \-----Elizabeth De BEAUCHAMP
|        |                 |                          |         /-----Ralph VII De TOENI, Baron Of Flamstead
|        |                 |                           \-----Alice De TOENI
|        |                 |                                    \-----Mary
|        |         /-----John CHAMPERNOUN
|        |        |        |                                    /-----Reginald De FERRERS
|        |        |        |                           /-----William De FERRERS
|        |        |        |                          |         \-----Margery Le DENNYS
|        |        |        |                  /-----John De FERRERS
|        |        |        |                 |         \-----Matilda CARMINOW
|        |        |        |         /-----Sir Martin FERRERS
|        |        |         \-----Joan FERRERS
|         \-----Blanche CHAMPERNOUN
|                 |         /-----William BIKEBERY
|                  \-----Elizabeth BIKEBERY
|                          |         /-----Sir Thomas PAULET
|                           \-----Elizabeth PAULET
William WILLOUGHBY
|                                                               /-----John De GREY, Lord Grey Of Wilton
|                                                      /-----Roger De GREY, Lord Grey Of Ruthin
|                                                     |         \-----Maud De VERDUN
|                                             /-----Sir Reynold De GREY, Lord Grey Of Ruthin
|                                            |        |         /-----Sir John De HASTINGS, Lord Hastings
|                                            |         \-----Elizabeth De HASTINGS
|                                            |                  \-----Isabel De VALENCE
|                                    /-----Reynold De GREY, Lord Grey Of Ruthin
|                                   |        |                  /-----Fulk Le STRANGE, Lord Strange
|                                   |        |         /-----John Le STRANGE, Lord Strange
|                                   |        |        |         \-----Eleanor GIFFORD
|                                   |         \-----Alinore LESTRANGE
|                                   |                 |         /-----William Le BOTILLER, Lord Botiller
|                                   |                  \-----Ankaret BUTLER
|                                   |                           \-----Ela HERDEBURGH
|                           /-----Edward De GREY, Lord Ferrers Of Groby
|                          |        |                           /-----Sir Giles ASTLEY
|                          |        |                  /-----Thomas ASTLEY, Lord Astley
|                          |        |                 |         \-----Alice WOLVEY
|                          |        |         /-----Sir William ASTLEY, Lord Astley
|                          |        |        |        |         /-----Sir Guy De BEAUCHAMP, Earl Of Warwick
|                          |        |        |         \-----Elizabeth De BEAUCHAMP
|                          |        |        |                  \-----Alice De TOENI
|                          |         \-----Joan ASTELEY
|                          |                 |                  /-----John WILLOUGHBY, Lord Willoughby
|                          |                 |         /-----Sir John WILLOUGHBY, Lord Willoughby
|                          |                 |        |         \-----Joan ROSCELYN
|                          |                  \-----Joan WILLOUGHBY
|                          |                          |         /-----Robert De UFFORD, K.G., Earl of Suffolk
|                          |                           \-----Cecily De UFFORD
|                          |                                    \-----Margaret De NORWICH
|                  /-----Sir John GREY
|                 |        |                                    /-----Sir William De FERRERS, Lord Ferrers Of Groby
|                 |        |                           /-----Henry De FERRERS, Lord Ferrers Of Groby
|                 |        |                          |         \-----Margaret De UFFORD
|                 |        |                  /-----William De FERRERS, Lord Ferrers Of Groby
|                 |        |                 |        |         /-----Sir Luke De POYNINGS, Lord Poynings
|                 |        |                 |         \-----Joan De POYNINGS
|                 |        |                 |                  \-----Isabel De St JOHN, Baroness St John
|                 |        |         /-----Sir Henry FERRERS
|                 |        |        |        |                  /-----Robert De CLIFFORD, Lord Clifford
|                 |        |        |        |         /-----Sir Roger CLIFFORD, Lord Clifford
|                 |        |        |        |        |         \-----Isabel BERKELEY
|                 |        |        |         \-----Philippa De CLIFFORD
|                 |        |        |                 |         /-----Thomas BEAUCHAMP, Orig K.G., Earl Of Warwick
|                 |        |        |                  \-----Maud De BEAUCHAMP
|                 |        |        |                           \-----Katherine MORTIMER
|                 |         \-----Elizabeth FERRERS, Lady Ferrers Of Groby
|                 |                 |                           /-----John De MOWBRAY, Lord Mowbray
|                 |                 |                  /-----John De MOWBRAY, Lord Mowbray
|                 |                 |                 |         \-----Joan PLANTAGENET
|                 |                 |         /-----Sir Thomas MOWBRAY, K.G., Duke Of Norfolk
|                 |                 |        |        |         /-----John SEGRAVE, Lord Segrave
|                 |                 |        |         \-----Elizabeth SEGRAVE, Baroness Segrave
|                 |                 |        |                  \-----Margaret PLANTAGENET, Dutchess Of Norfolk
|                 |                  \-----Isabel MOWBRAY
|                 |                          |                  /-----Sir Richard FITZ ALAN, Earl Of Arundel And Surrey
|                 |                          |         /-----Richard FITZ ALAN, K.G., Earl Of Arundel and Su
|                 |                          |        |         \-----Eleanor PLANTAGENET
|                 |                           \-----Elizabeth FITZ ALAN
|                 |                                   |         /-----Sir William De BOHUN, K.G., Earl of Northampton
|                 |                                    \-----Elizabeth De BOHUN
|                 |                                             \-----Elizabeth De BADLESMERE
|         /-----Thomas GREY, K.G., Marquess of Dorset
|        |        |                                    /-----Richard De WYDEVILLE
|        |        |                           /-----Sir John De WYDEVILLE
|        |        |                  /-----Richard De WYDEVILLE
|        |        |                 |         \-----Isabel GOBION
|        |        |         /-----Sir Richard WYDVILLE, K.G., Earl of Rivers
|        |        |        |        |                  /-----John BEDLISGATE
|        |        |        |        |         /-----Thomas BEDLISGATE
|        |        |        |         \-----Joan BEDLISGATE
|        |        |        |                 |         /-----Sir John BEAUCHAMP
|        |        |        |                  \-----Joan BEAUCHAMP
|        |        |        |                          |         /-----John De BRIDPORT
|        |        |        |                           \-----Joan De BRIDPORT
|        |        |        |                                    \-----Joan De MOUNTSORELL
|        |         \-----Elizabeth WYDVILLE
|        |                 |                                    /-----Jean I Count Of Ligny, And St. Pol
|        |                 |                           /-----Guy Count Of Ligny, And St. Pol
|        |                 |                          |         \-----Alix Of Flanders
|        |                 |                  /-----Jean II Count Of Brienne And Conversano
|        |                 |                 |        |         /-----Jean Count Of St. Pol
|        |                 |                 |         \-----Mathilde Of Chatillion
|        |                 |                 |                  \-----Jeanne De Fiennes
|        |                 |         /-----Peter Of Luxemburg, Count Of St. Pol
|        |                 |        |        |                  /-----Walter III Lord Of Enghein
|        |                 |        |        |         /-----Louis Of Enghien, Count Of Brienne, Duke Of At
|        |                 |        |        |        |         \-----Isabeau Of Brienne
|        |                 |        |         \-----Marguerite De Enghien
|        |                 |        |                 |         /-----Antonio Of Sanserverino, Count Of Marsico
|        |                 |        |                  \-----Giovanna Of Sanserverino
|        |                 |        |                           \-----Isabeau Of Baux
|        |                  \-----Jacquetta Of St.Pol
|        |                          |                           /-----Bertrand Lord Of Berre
|        |                          |                  /-----Bertrand De Baux, Count Of Andria
|        |                          |                 |         \-----Berengere
|        |                          |         /-----Francis De Baux, Duke Of Andria
|        |                          |        |        |         /-----Robert De Aulnay, Seigneur di Tiano
|        |                          |        |         \-----Marguerite Of Aulnay
|        |                          |        |                  \-----Isabella Le Estendart
|        |                           \-----Margaret Of Andria
|        |                                   |                  /-----Roberto ORSINI, Count Of Nola
|        |                                   |         /-----Niccolo ORSINI, Count Of Nola
|        |                                   |        |         \-----Sveva Del BALZO
|        |                                    \-----Sveva ORSINI
|        |                                            |         /-----Guglielmo De Sabran, Count Of Ariano
|        |                                             \-----Joan De Sabran
|        |                                                      \-----Francesca Di Celano
 \-----Dorothy GREY
         |                                                      /-----Sir Nicholas De BONVILLE
         |                                             /-----Sir William BONVILLE
         |                                            |         \-----Joan De CHAMPERNON
         |                                    /-----Sir John BONVYLE
         |                                   |        |         /-----Sir William DAUMARLE
         |                                   |         \-----Margaret DAUMARLE
         |                                   |                  \-----Agnes De MERIET
         |                           /-----William BONVILLE, K.G., Lord Bonville
         |                          |        |                  /-----Sir Henry FITZ ROGER
         |                          |        |         /-----John FITZ ROGER, Lord Of Chewton
         |                          |        |        |         \-----Elizabeth De HOLAND
         |                          |         \-----Elizabeth FITZ ROGER
         |                          |                  \-----Alice
         |                  /-----William BONVILLE
         |                 |        |                           /-----Roger De GREY, Lord Grey Of Ruthin
         |                 |        |                  /-----Sir Reynold De GREY, Lord Grey Of Ruthin
         |                 |        |                 |         \-----Elizabeth De HASTINGS
         |                 |        |         /-----Reynold De GREY, Lord Grey Of Ruthin
         |                 |        |        |        |         /-----John Le STRANGE, Lord Strange
         |                 |        |        |         \-----Alinore LESTRANGE
         |                 |        |        |                  \-----Ankaret BUTLER
         |                 |         \-----Margaret GREY
         |                 |                 |                  /-----William De ROS, Lord Ros Of Helmsley
         |                 |                 |         /-----Thomas De ROS, Lord Ros Of Helmsley
         |                 |                 |        |         \-----Margery De BADLESMERE
         |                 |                  \-----Margaret De ROOS
         |                 |                          |         /-----Sir Ralph De STAFFORD, K.G., Earl Of Stafford
         |                 |                           \-----Beatrice STAFFORD
         |                 |                                    \-----Margaret De AUDLEY, Baroness Audley
         |         /-----William BONVILLE, Lord Harrington
         |        |        |                                    /-----Sir Robert De HARRINGTON
         |        |        |                           /-----Sir John HARINGTON, Lord Harington
         |        |        |                          |         \-----Elizabeth De MULTON
         |        |        |                  /-----Sir Robert HARINGTON, Lord Harington
         |        |        |                 |        |         /-----Walter De BIRMINGHAM, Lord Of Thetmoy
         |        |        |                 |         \-----Joan BIRMINGHAM
         |        |        |                 |                  \-----Elizabeth De MULTON
         |        |        |         /-----William HARINGTON, Lord Harington
         |        |        |        |        |                  /-----Roger LORYNG
         |        |        |        |        |         /-----Sir Nele LORING, K.G.
         |        |        |        |        |        |         \-----Cassandra PEROT
         |        |        |        |         \-----Isabel LORING
         |        |        |        |                 |         /-----Sir Ralph BEAUPEL
         |        |        |        |                  \-----Margaret BEAUPEL
         |        |        |        |                           \-----Elizabeth BLOYHON
         |        |         \-----Elizabeth HARINGTON
         |        |                 |         /-----Sir John HILL
         |        |                  \-----Margaret HILL
         |        |                          |                  /-----Sir Ralph DAUBENEY, Lord Daubeney
         |        |                          |         /-----Sir Giles DAUBENEY, Lord Daubeney
         |        |                          |        |         \-----Alice MONTAGU
         |        |                           \-----Maud DAUBENEY
         |        |                                   |         /-----Sir Henry De WILINGTON
         |        |                                    \-----Alianore De WILINGTON
         |        |                                             \-----Isabel De WHALESBOROUGH
          \-----Cicely BONVILLE, Baroness Harrington And Bonvil
                  |                                             /-----Randolph De NEVILLE, Lord Neville Of Raby
                  |                                    /-----Ralph De NEVILLE, Lord Neville Of Raby
                  |                                   |         \-----Euphemia De CLAVERING
                  |                           /-----John De NEVILL, K.G. Lord Neville Of Raby
                  |                          |        |         /-----Sir Hugh De AUDLEY, Lord Audley
                  |                          |         \-----Alice AUDLEY
                  |                          |                  \-----Isolda MORTIMER
                  |                  /-----Sir Ralph De NEVILLE, K.G., Earl Of Westmoreland
                  |                 |        |                  /-----Sir Henry PERCY, Lord Percy
                  |                 |        |         /-----Henry De PERCY, Lord Percy
                  |                 |        |        |         \-----Eleanor FITZ ALAN
                  |                 |         \-----Maud PERCY
                  |                 |                 |         /-----Robert De CLIFFORD, Lord Clifford
                  |                 |                  \-----Idonia De CLIFFORD
                  |                 |                           \-----Maud De CLARE
                  |         /-----Sir Richard De NEVILLE, K.G., Earl Of Salisbury
                  |        |        |                           /-----Edward II King Of England
                  |        |        |                  /-----Edward III King Of England
                  |        |        |                 |         \-----Isabella Of France
                  |        |        |         /-----John Of Gaunt K.G., Duke of Lancaster
                  |        |        |        |        |         /-----William III Count Of Hainault And Holland
                  |        |        |        |         \-----Philippa Of Hainault
                  |        |        |        |                  \-----Joanna Of Valois
                  |        |         \-----Joan De BEAUFORT
                  |        |                 |         /-----Sir Payn Roet Of Hainault, Gulenne King Of Arms
                  |        |                  \-----Katharine Of Hainault
                   \-----Katherine NEVILLE
                           |                                    /-----Sir William De MONTAGU, Earl Of Salisbury
                           |                           /-----John De MONTAGU, Lord Montagu
                           |                          |         \-----Katharine De GRANDISON
                           |                  /-----John De MONTAGU, K.G., Earl Of Salisbury
                           |                 |        |         /-----Thomas De MONTHERMER, Lord Monthermer
                           |                 |         \-----Margaret De MONTHERMER, Baroness Monthermer
                           |                 |                  \-----Margaret De BRAOSE
                           |         /-----Sir Thomas MONTAGU, K.G., Earl Of Salisbury
                           |        |        |         /-----Sir Adam FRAUNCEYS, Lord Mayor Of London
                           |        |         \-----Maud FRAUNCEYS
                           |        |                 |         /-----William CHAMPNES
                           |        |                  \-----Agnes CHAMPNES
                            \-----Alice MONTAGU, Countess Of Salisbury
                                    |                           /-----Sir Robert De HOLAND, Lord Holand
                                    |                  /-----Sir Thomas De HOLAND, K.G., Earl Of Kent
                                    |                 |         \-----Maud La Zouche
                                    |         /-----Sir Thomas HOLLAND, K.G., Earl Of Kent
                                    |        |        |         /-----Edmund Of Woodstock PLANTAGENET, Earl Of Kent
                                    |        |         \-----Joan PLANTAGENET, Fair Maid Of Kent, Countess
                                    |        |                  \-----Margaret WAKE, Baroness Wake
                                     \-----Eleanor De HOLAND
                                             |                  /-----Sir Edmund FITZ ALAN, Earl Of Arundel
                                             |         /-----Sir Richard FITZ ALAN, Earl Of Arundel And Surrey
                                             |        |         \-----Alice De WARENNE
                                              \-----Alice FITZALAN
                                                      |         /-----Henry PLANTAGENET, Earl Of Lancaster
                                                       \-----Eleanor PLANTAGENET
                                                                \-----Maud CHAWORTH



Descendants of William WILLOUGHBY
1. William WILLOUGHBY