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Family:
Bibliography
  1. Banks, Thomas Christopher, Baronia anglica concentrata: or, A concentrated account of all the baronies commonly called baronies in fee; deriving their origin from writ of summons, and not from any specific limited creation. London: Simpkin, 1844. Available at https://archive.org/details/baroniaanglicaco01bankuoft. Information from this source tagged as [Ref: Banks Baronies v[1-2]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. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 06 Gordon-Huntley. 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 VI [Ap][p0-9].*].
  4. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 11, Ridley-Sinclair. London: St Catherine Press, 1949. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/27141 Information from this source tagged as [Ref: CP XI [Ap][p0-9].*].
  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 v4p[0-9]*].

Sources for birth and parent Information
date:
abt 1373 (age 2 in 1375) [Ref: Richardson RoyalAnc v4p571]
age 2 in 1375 [Ref: CP XI p478],
parents:
[Ref: Banks Baronies v1p135, CP XI p478, Richardson RoyalAnc v4p571]
Sources for death Information
date:
[Ref: CP V p251, CP VI p493, CP XI p478, Richardson RoyalAnc v4p571]
Research Notes:
4th Lord Say, of Barony cr 1313 [Ref: CP XI p478]
4th Lord Say [Ref: CP V p251 (with corr in XIV p316), CP VI p493 (with corr in XIV p382), Richardson RoyalAnc v4p571]

of Sawbridgeworth, Hertfordshire, Boxsted and Streat, Sussex, etc [Ref: Richardson RoyalAnc v4p571]

heir of his father [Ref: CP XI p478, Richardson RoyalAnc v4p571]

died a minor in the King's ward [Ref: CP V p251]

d.s.p [Ref: CP V p251]

heir was his sister, Elizabeth [Ref: CP V p251, CP XI p478]



Pedigree of John De SAY, Lord Say
                                                                /-----William De SAY
                                                       /-----Geoffrey De SAY
                                                      |         \-----Beatrice De MANDEVILLE
                                              /-----Sir Geoffrey De SAY, Baron Of West Greenwich
                                             |        |         /-----John De CHESNEY
                                             |         \-----Alice De CHESNEY
                                             |                  \-----Sibil
                                     /-----Sir William De SAY, Baron Of West Greenwich
                                    |        |                  /-----Roger De CLARE, Earl Of Hertford
                                    |        |         /-----Richard De CLARE, Earl Of Hertford, MC Surety
                                    |        |        |         \-----Maud St. HILLARY
                                    |         \-----Hawise De CLARE
                                    |                 |         /-----William Meullant FITZ ROBERT, Earl Of Gloucester
                                    |                  \-----Amice MEULANT, Countess Of Gloucester
                                    |                           \-----Hawise DeBEAUMONT
                            /-----William De SAY, Baron Of West Greenwich
                           |         \-----Sibyl
                   /-----Geoffrey De SAY, Lord Say
                  |         \-----Elizabeth
          /-----Geoffrey De SAY, Lord Say
         |        |                                             /-----Philip De LEYBURN
         |        |                                    /-----Robet De LEYBURN
         |        |                                   |         \-----Amy FITZGEROLD
         |        |                           /-----Roger De LEYBURN
         |        |                          |         \-----Margaret
         |        |                  /-----Roger De LEYBURN
         |        |                 |        |                  /-----Robert De TURNHAM
         |        |                 |        |         /-----Stephen De TURNHAM
         |        |                 |         \-----Eleanor De TURNHAM
         |        |                 |                 |         /-----Ranulf De BROC
         |        |                 |                  \-----Edeline De BROC
         |        |                 |                           \-----Damietta De GORAM
         |        |         /-----William De LEYBURN, Lord Leyburn
         |        |        |         \-----(Unk)
         |         \-----Idoine De LEYBURN
         |                 |                  /-----Simon De SANDWICH
         |                 |         /-----Sir Henry De SANDWICH
         |                  \-----Juliane De SANDWICH
         |                          |                           /-----William De Auberville
         |                          |                  /-----Hugh De Auberville
         |                          |                 |         \-----Maud De GLANVILLE
         |                          |         /-----William De AUBERVILLE
         |                           \-----Joan De AUBERVILLE
 /-----William De SAY, Lord Say
|        |                                                      /-----William De BEAUCHAMP, Baron Of Salwarpe
|        |                                             /-----William De BEAUCHAMP, Baron Of Salwarpe
|        |                                            |         \-----Bertha BRAOS
|        |                                    /-----Walter De BEAUCHAMP
|        |                                   |        |         /-----Sir Thomas De St VALERIE
|        |                                   |         \-----Joan De St VALERIE
|        |                           /-----William BEAUCHAMP, Baron Of Elmsley Castle
|        |                          |        |                  /-----Hugh De MORTIMER, Baron Of Wigmore
|        |                          |        |         /-----Roger De MORTIMER, Baron Of Wigmore
|        |                          |        |        |         \-----Maud De MESCHINES
|        |                          |         \-----Joan MORTIMER
|        |                          |                 |         /-----Walkeline FERRERS, Lord Of Oakham
|        |                          |                  \-----Isabel De FERRIERS
|        |                  /-----William De BEAUCHAMP, Earl Of Warwick
|        |                 |        |                           /-----William III MAUDIT, Baron Of Hanslope
|        |                 |        |                  /-----Robert MAUDIT, Baron Of Hanslope
|        |                 |        |                 |         \-----Isabel De St LIZ
|        |                 |        |         /-----William IV MAUDIT, Baron Of Hanslope
|        |                 |        |        |        |         /-----Thurstan BASSET
|        |                 |        |        |         \-----Isabel BASSET
|        |                 |         \-----Isabel MAUDUIT
|        |                 |                 |                  /-----Roger De Newburgh, Earl Of Warwick
|        |                 |                 |         /-----Waleran Beaumont De Newbourge, Earl Of Warwick
|        |                 |                 |        |         \-----Gundred De WARENNE, Countess Of Warwick
|        |                 |                  \-----Alice De NEWBOURGE
|        |                 |                          |         /-----Robert De Harcourt
|        |                 |                           \-----Alice De Harcourt
|        |                 |                                    \-----Millicent De Camville
|        |         /-----Sir Guy De BEAUCHAMP, Earl Of Warwick
|        |        |        |                           /-----Piers De LUTEGARESHALE
|        |        |        |                  /-----Geoffrey FITZ PIERS, Earl Of Essex
|        |        |        |                 |         \-----Maud
|        |        |        |         /-----Sir John FITZ GEOFFREY
|        |        |        |        |        |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|        |        |        |        |        |         /-----Roger De CLARE, Earl Of Hertford
|        |        |        |        |        |        |         \-----Adeliza Le MESCHIN
|        |        |        |        |         \-----Aveline De CLARE
|        |        |        |        |                 |         /-----James De St HILARY, Baron Of Field Dalling
|        |        |        |        |                  \-----Maud St. HILLARY
|        |        |        |        |                           \-----Aveline
|        |        |         \-----Maud FITZJOHN
|        |        |                 |                           /-----Hugh BIGOD, Earl Of Norfolk And Suffolk
|        |        |                 |                  /-----Roger BIGOD, Earl Of Norfolk, MC Surety
|        |        |                 |                 |         \-----Juliana VERE
|        |        |                 |         /-----Hugh BIGOD, Earl Of Norfolk, MC Surety
|        |        |                 |        |        |         /-----Ralph V De TOENI, Baron Of Flamstead
|        |        |                 |        |         \-----Ida Countess Of Norfolk
|        |        |                 |        |                  \-----Margaret De BEAUMONT
|        |        |                  \-----Isabel BIGOD
|        |        |                          |                  /-----John Fitz GILBERT The Marshal
|        |        |                          |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
|        |        |                          |        |         \-----Sibyl De SALISBURY
|        |        |                           \-----Maud MARSHALL
|        |        |                                   |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
|        |        |                                    \-----Isabel De CLARE, Countess Of Pembroke
|        |        |                                             \-----Aoife Macmurchada Of Leinster
|         \-----Maud De BEAUCHAMP
|                 |                                             /-----Ralph V De TOENI, Baron Of Flamstead
|                 |                                    /-----Roger IV De TOENI, Baron Of Flamstead
|                 |                                   |         \-----Margaret De BEAUMONT
|                 |                           /-----Ralph VI De TOENI, Baron Of Flamstead
|                 |                          |        |         /-----Richard I De BEAUMONT, Viscount Of Maine
|                 |                          |         \-----Constance De BEAUMONT
|                 |                          |                  \-----Lucie De L'AIGLE
|                 |                  /-----Roger V De TOENI, Baron Of Flamstead
|                 |                 |        |                  /-----Hugh De LACY, Baron Of Weobley
|                 |                 |        |         /-----Walter De LACY, Baron Of Weobley
|                 |                 |        |        |         \-----Roheis De MONMOUTH
|                 |                 |         \-----Petronilla De LACY
|                 |                 |                 |         /-----William De BRAOS, Baron Of Bramber
|                 |                 |                  \-----Margaret De BRAOISE
|                 |                 |                           \-----Matilda De ST VALERIE De HAIA
|                 |         /-----Ralph VII De TOENI, Baron Of Flamstead
|                 |        |        |                           /-----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
|                 |        |         \-----Alice 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
|                  \-----Alice De TOENI
|                           \-----Mary
John De SAY, Lord Say
|                                                               /-----William De BRAOS, Baron Of Bramber
|                                                      /-----William De BRAOS, Baron Of Bramber
|                                                     |         \-----Bertha Of Hereford
|                                             /-----William De BRAOSE, Lord Of Gower
|                                            |        |         /-----Bernard De St VALERY, Baron Of Beckley
|                                            |         \-----Matilda De ST VALERIE De HAIA
|                                            |                  \-----Matilda
|                                    /-----John De BRAOSE, Baron Of Bramber
|                                   |        |                  /-----Roger De CLARE, Earl Of Hertford
|                                   |        |         /-----Richard De CLARE, Earl Of Hertford, MC Surety
|                                   |        |        |         \-----Maud St. HILLARY
|                                   |         \-----Matilda DE CLARE
|                                   |                 |         /-----William Meullant FITZ ROBERT, Earl Of Gloucester
|                                   |                  \-----Amice MEULANT, Countess Of Gloucester
|                                   |                           \-----Hawise DeBEAUMONT
|                           /-----William De BREUSE, Lord Breuse
|                          |        |                           /-----Owain Gwynedd Prince Of Gwynedd
|                          |        |                  /-----Iorworth Drwyndwn Prince Of Gwynedd
|                          |        |                 |         \-----Gladys Ferch Llywarch
|                          |        |         /-----Llewellyn Fawr The Great AP IORWORTH, Prince Of North Wales
|                          |        |        |        |         /-----Madog Ap Maredudd, Prince Of Powys Fadog
|                          |        |        |         \-----Margred Ferch Madog
|                          |        |        |                  \-----Susanna Ferch Gruffudd Ap Cynan
|                          |         \-----Margaret Of Wales
|                          |                 |                  /-----Henry II Curt Mantel PLANTAGENET, King Of England
|                          |                 |         /-----John Lackland PLANTAGENET, King Of England
|                          |                 |        |         \-----Eleanor Duchess Of Aquitaine
|                          |                  \-----Joan
|                          |                          |         /-----William FERRERS, Earl Of Derby
|                          |                           \-----Agatha De FERRERS
|                          |                                    \-----Sibyl De BRAOISE
|                  /-----Sir Piers De BREUSE
|                 |        |                                    /-----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
|                 |         \-----Mary De ROS
|                 |                 |                           /-----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
|         /-----Sir Thomas De BREWOSE, Lord Brewose
|        |         \-----Agnes De CLIFFORD
 \-----Beatrice De BREWOSE
         |                                                      /-----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
         |         /-----Sir Roger MORTIMER, Earl Of March
         |        |        |                                    /-----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
          \-----Beatrice MORTIMER
                  |                                             /-----Geoffrey III Seneschall Of Champagne
                  |                                    /-----Geoffrey IV Seneschall Of Champagne
                  |                                   |         \-----Felicite Of Brienne
                  |                           /-----Simon De JOINVILLE, Seigneur De Joinville
                  |                          |        |         /-----William Seigneur De Dampierre, Constable Of Cham
                  |                          |         \-----Helvide Of Dampierre
                  |                          |                  \-----Ermengarde
                  |                  /-----Sir Geoffrey De GENEVILLE, Lord Geneville
                  |                 |        |                  /-----Stephen II Count Of Auxonne
                  |                 |        |         /-----Stephen III Count Of Auxonne
                  |                 |        |        |         \-----Judith Of Lorraine
                  |                 |         \-----Beatrix Of Auxonne
                  |                 |                 |         /-----Guillaume II Count Of Chalon
                  |                 |                  \-----Beatrix Of Thiers-Chalon
                  |         /-----Sir Piers De GENEVILLE, Baron Of Trim
                  |        |        |                           /-----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
                  |        |         \-----Maud LACY
                  |        |                 |                  /-----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
                   \-----Joan De GENEVILLE, Countess Of March
                           |                                    /-----Hugh IX De Lusignan, Sire De Lusignan
                           |                           /-----Hugh X De Lusignan, Count Of La Marche
                           |                          |         \-----Agatha De Preuilly
                           |                  /-----Hugh XI Le Brun De Lusignan
                           |                 |        |         /-----Aymer Tailefer, Count Of Angouleme
                           |                 |         \-----Isabel Of Angouleme
                           |                 |                  \-----Alice De Courtenay
                           |         /-----Hugh XII De Lusignan, Count De La Marche
                           |        |        |                  /-----Robert II Count Of Dreux
                           |        |        |         /-----Pierre De DREUX, Count Of Brittany
                           |        |        |        |         \-----Yolande De COUCY
                           |        |         \-----Yolande De DREUX
                           |        |                 |         /-----Gui De THOUARS, Count Of Brittany
                           |        |                  \-----Alix De THOUARS, Duchess Of Brittany
                           |        |                           \-----Constance Countess Of Brittany
                            \-----Joan De LUSIGNAN
                                    |                           /-----William De FOUGERES
                                    |                  /-----Geoffrey De Fougers, Seigneur Of Fougeres
                                    |                 |         \-----Agatha Du HUMMET
                                    |         /-----Raoul Seigneur De Fougers
                                    |        |        |         /-----Eudo Count Of Porhoet
                                    |        |         \-----Maud Of Porhoet
                                    |        |                  \-----Margaret
                                     \-----Joanne De Fougers
                                             |                  /-----Maurice II Sire De Craon
                                             |         /-----Amaury I De CRAON, Sire De Craon
                                             |        |         \-----Isabella De BEAUMONT
                                              \-----Isabel De CRAON
                                                      |         /-----William Of Roches, Seneschall Of Anjou
                                                       \-----Jeanne De Roches
                                                                \-----Marguerite Dame Of Sable



Descendants of John De SAY, Lord Say
1. John De SAY, Lord Say