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Family:
Bibliography
  1. Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
  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. 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 v5p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: CP XII/2 p661(l), Richardson RoyalAnc v5p361],
father:
[Ref: Burke Peerage p51]
Research Notes:
ancestor of the Willoughbys, baronets of Baldon House, Oxon, now extinct [Ref: Burke Peerage p51]



Pedigree of John De WILLOUGHBY
                                                       /-----William De WILLOUGHBY
                                              /-----Robert De WILLOUGHBY
                                             |        |         /-----William De FULLETBY
                                             |         \-----Maud De FULLETBY
                                     /-----Sir William De WILLOUGHBY
                                    |        |                  /-----Herbert De ORREBY
                                    |        |         /-----John De ORREBY
                                    |        |        |         \-----Agnes De KYME
                                    |         \-----(Unk) De ORREBY
                                    |                 |         /-----William Fitz RANULF
                                    |                  \-----Isabel Fitz WILLIAM
                                    |                           \-----Idonea De BLACKWELL
                            /-----Sir Robert WILLOUGHBY, Lord Willoughby
                           |        |                           /-----Henry BEKE
                           |        |                  /-----Walter BEKE
                           |        |                 |         \-----Hawise De MULTON
                           |        |         /-----John BEKE, Lord Beke
                           |        |        |        |         /-----Robert De GREY
                           |        |        |         \-----Eve
                           |         \-----Alice BEKE
                           |                 |                  /-----Sir Thomas De FURNIVAL
                           |                 |         /-----Sir Thomas De FURNIVAL
                           |                 |        |         \-----Bertha De FERRERS
                           |                  \-----Sarah De FURNIVAL
                   /-----John WILLOUGHBY, Lord Willoughby
                  |        |                                    /-----Oliver DEINCOURT, Baron Of Blankney
                  |        |                           /-----Oliver DEINCOURT, Baron Of Blankney
                  |        |                          |         \-----Amabel
                  |        |                  /-----Sir John DEINCOURT, Baron Of Blankney
                  |        |                 |        |         /-----Richard De La HAY, Baron Of Brattleby
                  |        |                 |         \-----Nichola De La HAY, Lady Of Munden
                  |        |                 |                  \-----Matilda De VERNON
                  |        |         /-----Sir Edmund DEINCOURT, Lord Deincourt
                  |        |        |        |                  /-----Robert FITZ MALDRED, Lord Of Raby
                  |        |        |        |         /-----Geoffrey FITZ ROBERT De NEVILL
                  |        |        |        |        |         \-----Isabella De NEVILLE
                  |        |        |         \-----Agnes De NEVILLE
                  |        |        |                  \-----Joan
                  |         \-----Margaret DEINCOURT
                  |                 |                           /-----William De MOHUN, Baron Of Dunster
                  |                 |                  /-----Sir Reynold De MOHUN, Baron Of Dunster
                  |                 |                 |         \-----Lucy
                  |                 |         /-----Sir Reynold De MOHUN, Baron Of Dunster
                  |                 |        |        |         /-----Sir William De BRIWERE, Baron Of Horsley
                  |                 |        |         \-----Alice De BRIWERE
                  |                 |        |                  \-----Beatrice De VALLE
                  |                  \-----Isabel De MOHUN
                  |                          |                  /-----Piers De LUTEGARESHALE
                  |                          |         /-----Geoffrey FITZ PIERS, Earl Of Essex
                  |                          |        |         \-----Maud
                  |                           \-----Hawise FITZ GEOFFREY
                  |                                   |         /-----Roger De CLARE, Earl Of Hertford
                  |                                    \-----Aveline De CLARE
                  |                                             \-----Maud St. HILLARY
          /-----Sir John WILLOUGHBY, Lord Willoughby
         |        |                  /-----Thomas ROSCELYN
         |        |         /-----Peter ROSCELYN
         |         \-----Joan ROSCELYN
         |                  \-----Mabel
 /-----Sir Robert De WILLOUGHBY, Lord Willoughby
|        |                           /-----Robert De UFFORD, Justiciar Of Ireland
|        |                  /-----Sir Robert De UFFORD, Lord Ufford
|        |                 |         \-----Mary
|        |         /-----Robert De UFFORD, K.G., Earl of Suffolk
|        |        |        |                                    /-----(Unk) De VALOINES
|        |        |        |                           /-----John De VALOINES
|        |        |        |                  /-----Robert De VALOINES
|        |        |        |                 |        |         /-----Robert De CREC
|        |        |        |                 |         \-----Isabel De CREC
|        |        |        |                 |                  \-----Agnes De GLANVILLE
|        |        |        |         /-----Robert De VALOINES
|        |        |        |        |        |                  /-----Hubert BLUND, Lord Of Ashfield
|        |        |        |        |        |         /-----William BLUND, Lord Of Ashfield
|        |        |        |        |         \-----Rose BLUND
|        |        |         \-----Cecily De VALOINES
|        |        |                  \-----Eve
|         \-----Cecily De UFFORD
|                 |                  /-----Geoffrey De NORWICH
|                 |         /-----Sir Walter De NORWICH
|                  \-----Margaret De NORWICH
|                          |         /-----Sir John De HEDERSETE
|                           \-----Catherine De HEDERSETE
John De WILLOUGHBY
|                                                               /-----Geoffrey Vicomte De Porhoet
|                                                      /-----Alan CEOCHE
|                                                     |         \-----Hawise Of Brittany
|                                             /-----Roger La ZOUCHE
|                                            |        |         /-----Philip De BELMEIS
|                                            |         \-----Alice De Belmeis
|                                            |                  \-----Maud De MESCHINES
|                                    /-----Eudo La ZOUCHE
|                                   |        |                  /-----Manasser BISET
|                                   |        |         /-----Henry BISET
|                                   |        |        |         \-----Alice De Cany
|                                   |         \-----Margaret BISET
|                                   |                 |         /-----Richard FITZ EUSTACE, Constable Of Chester
|                                   |                  \-----Aubrey FITZ EUSTACE
|                                   |                           \-----Albreada LIZOURS, Baroness Of Pontfract
|                           /-----William La ZOUCHE, Lord Zouche
|                          |        |                           /-----Sir William De CANTELOU, Baron Of Eaton Bray
|                          |        |                  /-----Sir William De CANTELOU, Baron Of Eaton Bray
|                          |        |                 |         \-----Mesceline De BRACI
|                          |        |         /-----William De CANTELOU, Lord Abergavenny
|                          |        |        |        |         /-----Hugh De GOURNAY
|                          |        |        |         \-----Millicent De GOURNAY
|                          |        |        |                  \-----Julia De DAMMARTIN
|                          |         \-----Milicent De CANTELOU
|                          |                 |                  /-----Reginald De BRAOS, Baron Of Bramber
|                          |                 |         /-----William De BRAIOSE, Baron Of Brecknock Castle
|                          |                 |        |         \-----Gracia De BRIWERE
|                          |                  \-----Eva De BRAIOSE, Baroness Abergavenny
|                          |                          |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
|                          |                           \-----Eve MARSHALL
|                          |                                    \-----Isabel De CLARE, Countess Of Pembroke
|                  /-----Eudo La ZOUCHE
|                 |        |                                    /-----William De IVRY
|                 |        |                           /-----Sir John LOVEL
|                 |        |                          |         \-----Isabel
|                 |        |                  /-----John LOVEL
|                 |        |                 |        |         /-----Sir Alan BASSET
|                 |        |                 |         \-----Katherine BASSET
|                 |        |                 |                  \-----Aline De GAI
|                 |        |         /-----Sir John LOVEL, Lord Lovel Of Titchmarsh
|                 |        |        |        |         /-----Sir William De SYDENHAM
|                 |        |        |         \-----Maud De SYDENHAM
|                 |         \-----Maud LOVEL
|                 |                 |                           /-----Ernald De BOSCO
|                 |                 |                  /-----Ernald De BOSCO
|                 |                 |         /-----Ernald De BOSCO
|                 |                 |        |        |         /-----Andrew BEAUCHAMP
|                 |                 |        |         \-----Joan BEAUCHAMP
|                 |                 |        |                  \-----Eva De GREY
|                 |                  \-----Isabel De BOSCO
|                 |                          |         /-----Henry De TUBNEY
|                 |                           \-----Alice De TUBNEY
|         /-----William La ZOUCHE, Lord Zouche
|        |        |         /-----William INGE
|        |         \-----Joan INGE
|        |                 |         /-----Henry GRAPINEL
|        |                  \-----Margaret GRAPINEL
 \-----Margaret ZOUCHE
         |                                                      /-----Everhard De ROS, Baron Of Helmsley
         |                                             /-----Robert De ROS, Magna Charta Surety
         |                                            |         \-----Roysia TRUSSEBUT
         |                                    /-----Sir William De ROS, Baron Of Helmsley
         |                                   |        |         /-----William The Lion King Of Scots
         |                                   |         \-----Isabel Of Scotland
         |                                   |                  \-----Isabel AVERNAL
         |                           /-----Sir Robert De ROS, Baron Of Helmsley
         |                          |        |                  /-----Herbert FITZ HERBERT
         |                          |        |         /-----Piers FITZ HERBERT
         |                          |        |        |         \-----Lucy Of Hereford
         |                          |         \-----Lucia FITZ PIERS
         |                          |                 |         /-----Robert FITZ ROGER, Baron Of Whalton
         |                          |                  \-----Alice De WARKWORTH
         |                          |                           \-----Margery De CHESNEY, Lady Of Horsford
         |                  /-----William De ROS, Lord Ros Of Helmsley
         |                 |        |                           /-----William II Le Breton D'ALBINI, Lord Of Belvoir
         |                 |        |                  /-----William D'ALBINI, Lord Of Belvoir, MC Surety
         |                 |        |                 |         \-----Maud FITZ ROBERT
         |                 |        |         /-----William D'ALBINI, Baron Of Belvoir
         |                 |        |        |        |         /-----Odinel De UMFRAVILLE, Baron Of Prudhoe
         |                 |        |        |         \-----Margery De UMFRAVILLE
         |                 |        |        |                  \-----Alice De LUCY
         |                 |         \-----Isabel D'ALBINI
         |                 |                  \-----Isabel
         |         /-----William De ROS, Lord Ros Of Helmsley
         |        |        |                                    /-----William VAUX
         |        |        |                           /-----Robert VAUX
         |        |        |                  /-----Sir Oliver De VAUX
         |        |        |         /-----Sir John De VAUX
         |        |        |        |        |                  /-----Maurice De CRAON, Baron Of Freiston
         |        |        |        |        |         /-----Guy De CRAON, Baron Of Freiston
         |        |        |        |        |        |         \-----Clarice
         |        |        |        |         \-----Petronilla De CRAON
         |        |        |        |                 |         /-----Thomas BASSET
         |        |        |        |                  \-----Isabella BASSET
         |        |        |        |                           \-----Adeliza De DUNSTANVILLE
         |        |         \-----Maud De VAUX
         |        |                 |         /-----Peter De PELEVILE
         |        |                  \-----Joan De PELEVILE
          \-----Elizabeth De Ros
                  |                           /-----Giles BADLESMERE
                  |                  /-----Guncelin BADLESMERE
                  |         /-----Bartholomew De BADLESMERE, Lord Badlesmere
                   \-----Margery De BADLESMERE
                           |                                    /-----Richard De CLARE, Earl Of Hertford, MC Surety
                           |                           /-----Sir Gilbert De CLARE, Earl Of Hertford And Glouceste
                           |                          |         \-----Amice MEULANT, Countess Of Gloucester
                           |                  /-----Richard De CLARE, Earl Of Gloucester And Hertfor
                           |                 |        |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
                           |                 |         \-----Isabel MARSHALL
                           |                 |                  \-----Isabel De CLARE, Countess Of Pembroke
                           |         /-----Thomas DeCLARE, Lord Of Thomond
                           |        |        |                  /-----Roger De LACY, Baron Of Pontefract
                           |        |        |         /-----John De LACY, Earl Of Lincoln, MC Surety
                           |        |        |        |         \-----Maud De CLERE
                           |        |         \-----Maud De LACY
                           |        |                 |         /-----Robert De QUINCEY
                           |        |                  \-----Margaret De QUINCY, Heiress Of Lincoln
                           |        |                           \-----Hawise Of Chester, Countess Of Lincoln
                            \-----Margaret De CLARE
                                    |                           /-----Gerald FITZ MAURICE, Baron Of Offaly
                                    |                  /-----Sir Maurice FITZ GERALD, Baron Offaly
                                    |                 |         \-----Eve De BERMINGHAM
                                    |         /-----Maurice FITZ MAURICE FITZ GERALD, Lord Of Offaly
                                    |        |         \-----Juliane
                                     \-----Julian FITZ MAURICE
                                             |                  /-----Philip De PRENDERGAST
                                             |         /-----Gerald De PRENDERGAST
                                             |        |         \-----Maude De QUENCI
                                              \-----Matilda De PRENDERGAST
                                                      |         /-----Richard De BURGH, Lord of Connaught
                                                       \-----Matilda De BURG
                                                                \-----Egidia (Jill) De LACY



Descendants of John De WILLOUGHBY
1. John De WILLOUGHBY