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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 04 Dacre-Dysart. London: St Catherine Press, 1916. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 4 also available at http://archive.org/completepeerageo04byucoka Information from this source tagged as [Ref: CP IV [Ap][p0-9].*].

Sources for birth and parent Information
date:
[Ref: CP IV p124],
parents:
[Ref: CP IV p124]
Sources for death Information
date:
[Ref: CP IV p124]
Research Notes:
4th Lord Deincourt, of Barony cr 1299 [Ref: CP IV p124]

son and heir of William (Deincourt) 3rd Lord Deincourt [Ref: CP IV p124]



Pedigree of Ralph DEINCOURT, Lord Deincourt
                                                                /-----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
                            /-----John 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 William DEINCOURT, Lord Deincourt
          /-----Sir William DEINCOURT
         |        |                                             /-----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
         |         \-----Milicent 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
 /-----Wiliam DEINCOURT, Lord Deincourt
|        |                                                      /-----Walter
|        |                                             /-----William
|        |                                    /-----Robert De WELLE
|        |                                   |        |         /-----Walter De GAUNT, Baron Of Folkingham
|        |                                   |         \-----Matilda De GANT
|        |                                   |                  \-----Maud Of Brittany
|        |                           /-----William De WELLES
|        |                          |         \-----Maud
|        |                  /-----Sir Robert De WELLES
|        |                 |        |         /-----William De GRAINSBY
|        |                 |         \-----Emma De GRAINSBY
|        |         /-----Adam De WELLES, Lord Welles
|        |        |        |                  /-----Sir Thomas De PERITON
|        |        |        |                 |         \-----(Unk) De DUMART
|        |        |        |                 |                  \-----Emma De DUMART
|        |        |        |         /-----Adam De PERITON
|        |        |         \-----Isabel De PERITON
|        |        |                  \-----Cecily
|         \-----Margaret WELLE
|                 |                                             /-----Viel ENGAINE
|                 |                                    /-----Richard ENGAINE
|                 |                                   |         \-----(Unk Dau)
|                 |                           /-----Richard ENGAINE
|                 |                          |        |         /-----Richard FITZURSE, Baron Of Bulwick
|                 |                          |         \-----Margery FITZURSE
|                 |                          |                  \-----Maud De BOULERS
|                 |                  /-----Viel ENGAINE
|                 |                 |        |                  /-----Robert FITZWALTER
|                 |                 |        |         /-----William De CHESNEY
|                 |                 |        |        |         \-----Sibyl Of Rudham
|                 |                 |         \-----Sara De CHESNEY, Lady Of Colne
|                 |                 |                 |         /-----Baldwin Fitz GUY
|                 |                 |                  \-----Gilla
|                 |         /-----Sir John ENGAINE
|                 |        |         \-----Rohese
|                  \-----Joan ENGAINE
|                          |         /-----Sir Gilbert De GREINVILLE
|                           \-----Joan GREINVILLE
|                                    \-----Joyouse
Ralph DEINCOURT, Lord Deincourt
|                                                               /-----Robert FITZ MALDRED, Lord Of Raby
|                                                      /-----Geoffrey FITZ ROBERT De NEVILL
|                                                     |         \-----Isabella De NEVILLE
|                                             /-----Sir Robert De NEVILLE
|                                            |         \-----Joan
|                                    /-----Robert De NEVILLE
|                           /-----Randolph De NEVILLE, Lord Neville Of Raby
|                          |        |                           /-----Robert FITZRALPH, Lord Of Middleham
|                          |        |                  /-----Ranulf FITZROBERT, Lord Of Middleham
|                          |        |                 |         \-----Helwise De GLANVILLE
|                          |        |         /-----Sir Ralph FITZ RANULF, Lord of Middleham
|                          |        |        |        |         /-----Roger BIGOD, Earl Of Norfolk, MC Surety
|                          |        |        |         \-----Mary BIGOD
|                          |        |        |                  \-----Ida Countess Of Norfolk
|                          |         \-----Mary FITZRANULPH
|                          |                 |                  /-----Sir Henry De PERCY
|                          |                 |         /-----Sir William De PERCY, Baron Of Topcliffe
|                          |                 |        |         \-----Isabel De BRUS
|                          |                  \-----Anastasia De PERCY
|                          |                          |         /-----Sir William De BRIWERE, Baron Of Horsley
|                          |                           \-----Joan De BRIWERE
|                          |                                    \-----Beatrice De VALLE
|                  /-----Ralph De NEVILLE, Lord Neville Of Raby
|                 |        |                                    /-----Robert FITZ ROGER, Baron Of Whalton
|                 |        |                           /-----John FITZ ROBERT, MC Surety
|                 |        |                          |         \-----Margery De CHESNEY, Lady Of Horsford
|                 |        |                  /-----Roger FITZ JOHN, Baron Of Whalton
|                 |        |                 |        |         /-----Hugh De BALIOL, Baron Of Bywell
|                 |        |                 |         \-----Ada De BALIOL
|                 |        |                 |                  \-----Cicely De FONTAINES
|                 |        |         /-----Robert FITZ ROGER, Lord Clavering
|                 |        |        |        |                  /-----Patrick DUNBAR, Earl Of Dunbar
|                 |        |        |        |         /-----Sir Parick DUNBAR, Earl Of Dunbar
|                 |        |        |        |        |         \-----Ada
|                 |        |        |         \-----Isabel
|                 |        |        |                 |         /-----William De BRUS, Lord Of Annandale
|                 |        |        |                  \-----Euphemia
|                 |        |        |                           \-----Christina
|                 |         \-----Euphemia De CLAVERING
|                 |                 |                           /-----Alan CEOCHE
|                 |                 |                  /-----Roger La ZOUCHE
|                 |                 |                 |         \-----Alice De Belmeis
|                 |                 |         /-----Sir Alan La ZOUCHE, Constable Of The Tower Of Lon
|                 |                 |        |        |         /-----Henry BISET
|                 |                 |        |         \-----Margaret BISET
|                 |                 |        |                  \-----Aubrey FITZ EUSTACE
|                 |                  \-----Margery De La ZOUCHE
|                 |                          |                  /-----Saire De QUINCEY, Earl Of Winchester, MC Suret
|                 |                          |         /-----Roger De QUINCY, Earl Of Winchester
|                 |                          |        |         \-----Margaret BEAUMONT
|                 |                           \-----Elena De QUINCY
|                 |                                   |         /-----Alan Lord Of Galloway, Constable Of Scotland
|                 |                                    \-----Helen Of Galloway
|                 |                                             \-----(Unk Dau) De LACY
|         /-----John De NEVILL, K.G. Lord Neville Of Raby
|        |        |                                             /-----Liulf
|        |        |                                    /-----Adam Of Aldithley
|        |        |                           /-----Henry Of Aldithley
|        |        |                          |        |         /-----Ralf FITZORM
|        |        |                          |         \-----Emma FITZRALF
|        |        |                  /-----James De AUDLEY
|        |        |                 |        |                  /-----Roger MAINWARING
|        |        |                 |        |         /-----Sir Ralph MAINWARING, Seneschal Of Chester
|        |        |                 |         \-----Bertrad MAINWARING
|        |        |                 |                 |         /-----Hugh Of Kevelioc, Earl Of Chester
|        |        |                 |                  \-----Amicia Of Chester
|        |        |         /-----Sir Hugh De AUDLEY, Lord Audley
|        |        |        |        |                           /-----Henry II Curt Mantel PLANTAGENET, King Of England
|        |        |        |        |                  /-----William LONGESPEE, Earl of Salisbury
|        |        |        |        |                 |         \-----Ida Countess Of Norfolk
|        |        |        |        |         /-----Sir William De LONGESPEE
|        |        |        |        |        |        |         /-----William FITZ PATRICK, Earl Of Salisbury
|        |        |        |        |        |         \-----Ela Of Salisbury
|        |        |        |        |        |                  \-----Eleanor De VITRE
|        |        |        |         \-----Ela LONGESPEE
|        |        |        |                 |                  /-----Gerard De Camville
|        |        |        |                 |         /-----Richard De Camville
|        |        |        |                 |        |         \-----Nichola De La HAY, Lady Of Munden
|        |        |        |                  \-----Idoine De Camville
|        |        |        |                          |         /-----Gilbert BASSET
|        |        |        |                           \-----Eustacia BASSET
|        |        |        |                                    \-----Egline De COURTENAY
|        |         \-----Alice AUDLEY
|        |                 |                                    /-----Roger De MORTIMER, Baron Of Wigmore
|        |                 |                           /-----Ralph MORTIMER, Baron Of Wigmore
|        |                 |                          |         \-----Isabel De FERRIERS
|        |                 |                  /-----Sir Roger MORTIMER, Baron Of Wigmore
|        |                 |                 |        |         /-----Llewellyn Fawr The Great AP IORWORTH, Prince Of North Wales
|        |                 |                 |         \-----Gladys DHU
|        |                 |                 |                  \-----Tangwystl Of Rhos
|        |                 |         /-----Sir Edmund De MORTIMER, Lord Mortimer
|        |                 |        |        |                  /-----Reginald De BRAOS, Baron Of Bramber
|        |                 |        |        |         /-----William De BRAIOSE, Baron Of Brecknock Castle
|        |                 |        |        |        |         \-----Gracia De BRIWERE
|        |                 |        |         \-----Maud De BRAOISE
|        |                 |        |                 |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
|        |                 |        |                  \-----Eve MARSHALL
|        |                 |        |                           \-----Isabel De CLARE, Countess Of Pembroke
|        |                  \-----Isolda MORTIMER
 \-----Alice NEVILLE
         |                                                      /-----Jocelin LOUVAIN, Lord Of Petworth
         |                                             /-----Sir Henry De PERCY
         |                                            |         \-----Agnes De PERCY
         |                                    /-----Sir William De PERCY, Baron Of Topcliffe
         |                                   |        |         /-----Adam II De BRUS, Baron Of Skelton
         |                                   |         \-----Isabel De BRUS
         |                                   |                  \-----Juetta De ARCHES
         |                           /-----Sir Henry De PERCY, Baron Of Topcliffe
         |                          |        |                  /-----Joscelin De BALLIOL
         |                          |        |         /-----Ingram De BALIOL
         |                          |         \-----Ellen BALIOL
         |                          |                 |         /-----Walter De BERKELEY
         |                          |                  \-----(Unk Dau) De BERKELEY
         |                  /-----Sir Henry PERCY, Lord Percy
         |                 |        |                           /-----Hameline PLANTAGENET, Earl Of Surrey
         |                 |        |                  /-----William De WARENNE, Earl Of Surrey
         |                 |        |                 |         \-----Isabel De WARENNE, Countess Of Surrey
         |                 |        |         /-----John De WARENNE, Earl Of Surrey
         |                 |        |        |        |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
         |                 |        |        |         \-----Maud MARSHALL
         |                 |        |        |                  \-----Isabel De CLARE, Countess Of Pembroke
         |                 |         \-----Eleanor De WARENNE
         |                 |                 |                  /-----Hugh IX De Lusignan, Sire De Lusignan
         |                 |                 |         /-----Hugh X De Lusignan, Count Of La Marche
         |                 |                 |        |         \-----Agatha De Preuilly
         |                 |                  \-----Alfais De LUSIGNAN
         |                 |                          |         /-----Aymer Tailefer, Count Of Angouleme
         |                 |                           \-----Isabel Of Angouleme
         |                 |                                    \-----Alice De Courtenay
         |         /-----Henry De PERCY, Lord Percy
         |        |        |                                    /-----John FITZALAN, Baron Of Oswestry
         |        |        |                           /-----Sir John FITZALAN, Earl Of Arundel
         |        |        |                          |         \-----Isabel D'AUBIGNY
         |        |        |                  /-----Sir John FITZALAN, Earl Of Arundel
         |        |        |                 |        |         /-----Theobald Le BOTELER
         |        |        |                 |         \-----Maud De VERDUN
         |        |        |                 |                  \-----Rohese De VERDUN
         |        |        |         /-----Sir Richard FITZ ALAN, Earl Of Arundel
         |        |        |        |        |                  /-----Ralph MORTIMER, Baron Of Wigmore
         |        |        |        |        |         /-----Sir Roger MORTIMER, Baron Of Wigmore
         |        |        |        |        |        |         \-----Gladys DHU
         |        |        |        |         \-----Isabel MORTIMER
         |        |        |        |                 |         /-----William De BRAIOSE, Baron Of Brecknock Castle
         |        |        |        |                  \-----Maud De BRAOISE
         |        |        |        |                           \-----Eve MARSHALL
         |        |         \-----Eleanor FITZ ALAN
         |        |                 |                           /-----Bonifacio Of Vasto
         |        |                 |                  /-----Manfred III Margrave Of Saluzzo
         |        |                 |                 |         \-----Maria Of Torres
         |        |                 |         /-----Thomas I Margrave Of Saluzzo
         |        |                 |        |        |         /-----Amadeus IV Count Of Savoy, Marquess Of Turin
         |        |                 |        |         \-----Beatrice Of Savoy
         |        |                 |        |                  \-----Anna Of Burgundy
         |        |                  \-----Alasia Of Saluzzo
         |        |                          |                  /-----Guglielmo II Marquis Of Ceva
         |        |                          |         /-----George Of Ceva, Marquis Of Ceva
         |        |                          |        |         \-----(Unk) De Vasto
         |        |                           \-----Luisa Of Ceva
         |        |                                    \-----Menzia De ESTE
          \-----Maud PERCY
                  |                                             /-----Walter CLIFFORD, Baron Of Clifford
                  |                                    /-----Roger CLIFFORD
                  |                                   |         \-----Agnes De CONDET
                  |                           /-----Roger CLIFFORD
                  |                          |        |         /-----Robert De EWYES, Baron Of Ewyas Harold
                  |                          |         \-----Sibilla De EWYAS
                  |                          |                  \-----Petronilla
                  |                  /-----Roger De CLIFFORD
                  |                 |         \-----Maud
                  |         /-----Robert De CLIFFORD, Lord Clifford
                  |        |        |                           /-----Robert De VIPONT, Baron Of Appleby
                  |        |        |                  /-----John De VIPONT, Baron Of Appleby
                  |        |        |                 |         \-----Idonea De BUISLY
                  |        |        |         /-----Robert De VESPONT
                  |        |        |        |        |         /-----William De FERRERS, Earl Of Derby
                  |        |        |        |         \-----Sibilla De FERRERS
                  |        |        |        |                  \-----Agnes Of Chester, Lady Of Chartley
                  |        |         \-----Isabel De VESPONT
                  |        |                 |                  /-----Geoffrey FITZ PIERS, Earl Of Essex
                  |        |                 |         /-----Sir John FITZ GEOFFREY
                  |        |                 |        |         \-----Aveline De CLARE
                  |        |                  \-----Isabel FITZ JOHN
                  |        |                          |         /-----Hugh BIGOD, Earl Of Norfolk, MC Surety
                  |        |                           \-----Isabel BIGOD
                  |        |                                    \-----Maud MARSHALL
                   \-----Idonia De CLIFFORD
                           |                                    /-----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
                            \-----Maud 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 Ralph DEINCOURT, Lord Deincourt
1. Ralph DEINCOURT, Lord Deincourt