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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 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].*].
  2. Hedley, W Percy, Northumberland Families. Newcastle-upon-Tyne: H.Hill, 1968. NYPL ARX+ (Northumberland) (Hedley, W.P. Northumberland families). Available (search only) at https://catalog.hathitrust.org/Record/000319577. Information from this source tagged as [Ref: Hedley Northumberland p[0-9]*].
  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 v1[pc][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 v4p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: CP XI p99(c), Hedley Northumberland p227, Richardson RoyalAnc v1p423, Richardson RoyalAnc v4p494]
Sources for death Information
date:
shortly before 26 Jul 1341 [Ref: Richardson RoyalAnc v1p424]
Sources with Information about marriage to Edward De BOHUN
date:
before 26 Jan 1332 [Ref: Richardson RoyalAnc v1p423],
names:
[Ref: CP XI p99(c), Hedley Northumberland p227, Richardson RoyalAnc v4p496]
Research Notes:



Pedigree of Margaret De ROS
                                                                /-----Peter De ROS
                                                       /-----Robert De ROS, Baron Of Helmsley
                                                      |         \-----Adeline ESPEC
                                              /-----Everhard De ROS, Baron Of Helmsley
                                             |        |         /-----Thebaud De VALOGNES
                                             |         \-----Sibyl De VALOGNES
                                     /-----Robert De ROS, Magna Charta Surety
                                    |        |                  /-----William TRUSSEBUT
                                    |        |         /-----William TRUSSEBUT, Baron Of Hunsingore
                                    |        |        |         \-----(Unk) FITZ PAYNE
                                    |         \-----Roysia TRUSSEBUT
                                    |                 |         /-----Rollo De HARCOURT
                                    |                  \-----Audrey De HARCOURT
                                    |                           \-----Rohese PEVEREL
                            /-----Sir William De ROS, Baron Of Helmsley
                           |        |                           /-----David I The Saint King Of Scots
                           |        |                  /-----Henry Of Huntingdon, Earl Of Huntingdon
                           |        |                 |         \-----Maud Of Huntingdon
                           |        |         /-----William The Lion King Of Scots
                           |        |        |        |         /-----William II De Warrene, Earl Of Surrey
                           |        |        |         \-----Ada De WARENNE
                           |        |        |                  \-----Isabel De Vermandois, Countess Of Leicester
                           |         \-----Isabel Of Scotland
                           |                 |         /-----Robert AVENAL
                           |                  \-----Isabel AVERNAL
                           |                           \-----Sibyl
                   /-----Sir Robert De ROS, Baron Of Helmsley
                  |        |                                    /-----Herbert Of Winchester, Chamberlain And Treasure
                  |        |                           /-----Herbert FITZ HERBERT
                  |        |                          |         \-----(Unk)
                  |        |                  /-----Herbert FITZ HERBERT
                  |        |                 |        |         /-----Robert CORBET, Lord of Alcester
                  |        |                 |         \-----Sibyl CORBET
                  |        |         /-----Piers FITZ HERBERT
                  |        |        |        |                  /-----Walter FITZ ROGER
                  |        |        |        |         /-----Miles FITZ WALTER, Earl Of Hereford
                  |        |        |        |        |         \-----Berthe De BALLON
                  |        |        |         \-----Lucy Of Hereford
                  |        |        |                 |         /-----Bernard De NEUFMARCHE, Lord Of Brecon
                  |        |        |                  \-----Sibyl De NEUFMARCHE
                  |        |        |                           \-----Nesta
                  |         \-----Lucia FITZ PIERS
                  |                 |                           /-----Richard
                  |                 |                  /-----Roger FITZ RICHARD, Baron Of Warkworth
                  |                 |                 |         \-----Jane BIGOD
                  |                 |         /-----Robert FITZ ROGER, Baron Of Whalton
                  |                 |        |        |         /-----Alberic II De VERE, Baron Of Hedingham
                  |                 |        |         \-----Alice De VERE
                  |                 |        |                  \-----Adeliza De CLARE
                  |                  \-----Alice De WARKWORTH
                  |                          |                  /-----Robert FITZWALTER
                  |                          |         /-----William De CHESNEY
                  |                          |        |         \-----Sibyl Of Rudham
                  |                           \-----Margery De CHESNEY, Lady Of Horsford
                  |                                   |         /-----Baldwin Fitz GUY
                  |                                    \-----Gilla
          /-----William De ROS, Lord Ros Of Helmsley
         |        |                                             /-----Main D'AUBIGNY, Lord Of St Aubin
         |        |                                    /-----William D'ALBINI, Lord Of Belvoir
         |        |                                   |         \-----Adeleisa De BOHUN
         |        |                           /-----William II Le Breton D'ALBINI, Lord Of Belvoir
         |        |                          |        |         /-----Roger BIGOD, Baron Of Framlingham
         |        |                          |         \-----Cecily De BELVOIR
         |        |                          |                  \-----Alice De TOENI
         |        |                  /-----William D'ALBINI, Lord Of Belvoir, MC Surety
         |        |                 |        |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
         |        |                 |        |         /-----Robert FITZ RICHARD, Baron Of Little Dunmow
         |        |                 |        |        |         \-----Rohese GIFFARD
         |        |                 |         \-----Maud FITZ ROBERT
         |        |                 |                 |         /-----Simon De St. LIZ, Earl Of Huntingdon
         |        |                 |                  \-----Maud De ST LIZ
         |        |                 |                           \-----Maud Of Huntingdon
         |        |         /-----William D'ALBINI, Baron Of Belvoir
         |        |        |        |                           /-----Robert De UMFRAVILLE, Baron Of Prudhoe
         |        |        |        |                  /-----Odinel De UMFRAVILLE, Baron Of Prudhoe
         |        |        |        |         /-----Odinel De UMFRAVILLE, Baron Of Prudhoe
         |        |        |         \-----Margery De UMFRAVILLE
         |        |        |                 |         /-----Sir Richard De LUCY, Justiciar Of England
         |        |        |                 |        |         \-----Avelina
         |        |        |                  \-----Alice De LUCY
         |        |        |                          |         /-----William De BOULOGNE
         |        |        |                           \-----Rohese
         |         \-----Isabel D'ALBINI
         |                  \-----Isabel
 /-----William De ROS, Lord Ros Of Helmsley
|        |                                                      /-----Robert De VAUX
|        |                                             /-----Robert De VAUX
|        |                                            |         \-----(Unk Dau) De MUNTCHESNEY
|        |                                    /-----William VAUX
|        |                                   |        |         /-----Ranulf Fitz WALTER
|        |                                   |         \-----Agnes
|        |                                   |                  \-----Matilda De LANGTOT
|        |                           /-----Robert VAUX
|        |                  /-----Sir Oliver De VAUX
|        |         /-----Sir John De VAUX
|        |        |        |                                    /-----Guy De CRAON, Baron Of Freiston
|        |        |        |                           /-----Alan De CRAON, Baron Of Freiston
|        |        |        |                          |         \-----Isabella Fitz HUGH
|        |        |        |                  /-----Maurice De CRAON, Baron Of Freiston
|        |        |        |                 |         \-----Muriel De BEAUCHAMP
|        |        |        |         /-----Guy De CRAON, Baron Of Freiston
|        |        |        |        |         \-----Clarice
|        |        |         \-----Petronilla De CRAON
|        |        |                 |                  /-----Gilbert BASSET
|        |        |                 |         /-----Thomas BASSET
|        |        |                 |        |        |         /-----Robert De Oilly, Baron Of Hook Norton
|        |        |                 |        |         \-----Edith
|        |        |                 |        |                  \-----Edith SIGULFSSON
|        |        |                  \-----Isabella BASSET
|        |        |                          |                  /-----Reginald De DUNSTANVILLE
|        |        |                          |         /-----Alan De DUNSTANVILLE
|        |        |                          |        |         \-----Adelisa De INSULA
|        |        |                           \-----Adeliza De DUNSTANVILLE
|         \-----Maud De VAUX
|                 |         /-----Peter De PELEVILE
|                  \-----Joan De PELEVILE
Margaret De ROS
|                           /-----Giles BADLESMERE
|                  /-----Guncelin BADLESMERE
|         /-----Bartholomew De BADLESMERE, Lord Badlesmere
 \-----Margery De BADLESMERE
         |                                                      /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
         |                                             /-----Roger De CLARE, Earl Of Hertford
         |                                            |         \-----Adeliza Le MESCHIN
         |                                    /-----Richard De CLARE, Earl Of Hertford, MC Surety
         |                                   |        |         /-----James De St HILARY, Baron Of Field Dalling
         |                                   |         \-----Maud St. HILLARY
         |                                   |                  \-----Aveline
         |                           /-----Sir Gilbert De CLARE, Earl Of Hertford And Glouceste
         |                          |        |                  /-----Robert The Consul De CAEN, Earl Of Gloucester
         |                          |        |         /-----William Meullant FITZ ROBERT, Earl Of Gloucester
         |                          |        |        |         \-----Maud FITZ HAMOND
         |                          |         \-----Amice MEULANT, Countess Of Gloucester
         |                          |                 |         /-----Sir Robert II De Beaumont, Earl Of Leicester
         |                          |                  \-----Hawise DeBEAUMONT
         |                          |                           \-----Amicia De Gael
         |                  /-----Richard De CLARE, Earl Of Gloucester And Hertfor
         |                 |        |                           /-----Gilbert GIFFARD, Marshal
         |                 |        |                  /-----John Fitz GILBERT The Marshal
         |                 |        |                 |         \-----(Unk dau) De VENOIZ
         |                 |        |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
         |                 |        |        |        |         /-----Walter De SALISBURY, Baron Of Chitterne
         |                 |        |        |         \-----Sibyl De SALISBURY
         |                 |        |        |                  \-----Sibyl De CHAWORTH
         |                 |         \-----Isabel MARSHALL
         |                 |                 |                  /-----Gilbert De CLARE, Earl Of Pembroke
         |                 |                 |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
         |                 |                 |        |         \-----Elizabeth De BEAUMONT
         |                 |                  \-----Isabel De CLARE, Countess Of Pembroke
         |                 |                          |         /-----Dairmait Mac MURCHAD, King Of Leinster
         |                 |                           \-----Aoife Macmurchada Of Leinster
         |                 |                                    \-----Mor Ua TUATHAIL
         |         /-----Thomas DeCLARE, Lord Of Thomond
         |        |        |                                    /-----Richard FITZ EUSTACE, Constable Of Chester
         |        |        |                           /-----John Fitz Richard, Constable Of Chester
         |        |        |                          |         \-----Albreada LIZOURS, Baroness Of Pontfract
         |        |        |                  /-----Roger De LACY, Baron Of Pontefract
         |        |        |                 |        |         /-----Roger FITZ RICHARD, Baron Of Warkworth
         |        |        |                 |         \-----Alice Fitz Roger
         |        |        |                 |                  \-----Alice De VERE
         |        |        |         /-----John De LACY, Earl Of Lincoln, MC Surety
         |        |        |        |        |                  /-----Hugh III Seigneur De Puiset, Vicount Chartres
         |        |        |        |        |         /-----Ebrard IV Seigneur De Puiset, Vicount Chartres
         |        |        |        |        |        |         \-----Agnes
         |        |        |        |         \-----Maud De CLERE
         |        |        |        |                  \-----Heloise De ROUCY
         |        |         \-----Maud De LACY
         |        |                 |                           /-----Robert De QUINCEY
         |        |                 |                  /-----Saire De QUINCEY, Earl Of Winchester, MC Suret
         |        |                 |                 |         \-----Orabella
         |        |                 |         /-----Robert De QUINCEY
         |        |                 |        |        |         /-----Sir Robert De BEAUMONT, Earl Of Leicester
         |        |                 |        |         \-----Margaret BEAUMONT
         |        |                 |        |                  \-----Petronilla De GRANTMESNIL
         |        |                  \-----Margaret De QUINCY, Heiress Of Lincoln
         |        |                          |                  /-----Ranulf De GERNON, Earl Of Chester, Vicomte D'Avranches
         |        |                          |         /-----Hugh Of Kevelioc, Earl Of Chester
         |        |                          |        |         \-----Maud De CAEN
         |        |                           \-----Hawise Of Chester, Countess Of Lincoln
         |        |                                   |         /-----Simon De MONTFORT, Count Of Evreux
         |        |                                    \-----Bertrade De MONTFORT
         |        |                                             \-----Maud
          \-----Margaret De CLARE
                  |                                             /-----Gerald Of Windsor, Constable Of Pembroke Castl
                  |                                    /-----Maurice FITZ GERALD, Lord Of Lanstephen
                  |                                   |         \-----Nest Of Wales, Princess Of Deheubarth
                  |                           /-----Gerald FITZ MAURICE, Baron Of Offaly
                  |                          |        |         /-----Arnulph De MONTGOMERY
                  |                          |         \-----Alice De MONTGOMERY
                  |                          |                  \-----Lafrocoth
                  |                  /-----Sir Maurice FITZ GERALD, Baron Offaly
                  |                 |        |         /-----Robert De BIRMINGHAM
                  |                 |         \-----Eve De BERMINGHAM
                  |         /-----Maurice FITZ MAURICE FITZ GERALD, Lord Of Offaly
                  |        |         \-----Juliane
                   \-----Julian FITZ MAURICE
                           |                           /-----Maurice Lord of Prendergast
                           |                  /-----Philip De PRENDERGAST
                           |         /-----Gerald De PRENDERGAST
                           |        |        |         /-----Robert De QUENCI, Constable of Leinster
                           |        |         \-----Maude De QUENCI
                           |        |                 |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
                           |        |                  \-----(Unk dau) De CLARE
                            \-----Matilda De PRENDERGAST
                                    |                           /-----Walter De BURGH
                                    |                  /-----William De BURGH, Lord of Connaught
                                    |                 |         \-----Alice
                                    |         /-----Richard De BURGH, Lord of Connaught
                                    |        |        |         /-----Domnall Mor O'Brien, King Of Munster
                                    |        |         \-----(Unk Dau) O'BRIEN
                                     \-----Matilda De BURG
                                             |                  /-----Hugh De LACY, Baron Of Weobley
                                             |         /-----Walter De LACY, Baron Of Weobley
                                             |        |         \-----Roheis De MONMOUTH
                                              \-----Egidia (Jill) De LACY
                                                      |         /-----William De BRAOS, Baron Of Bramber
                                                       \-----Margaret De BRAOISE
                                                                \-----Matilda De ST VALERIE De HAIA



Descendants of Margaret De ROS
1. Margaret De ROS m. Edward De BOHUN
m. Edward De BOHUN father: Humphrey VIII De BOHUN, Earl Of Hereford And Essex mother: Elizabeth PLANTAGENET