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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. 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]*].
  3. Paul, Sir James Balfour, Scots Peerage: founded on Wood's edition of Sir Robert Douglas's peerage of Scotland; containing an historical and genealogical account of the nobility of that Kingdom. Edinburgh: David Douglas, 1904. NYPL ARO (Scots Peerage) (too fragile to copy). Available at https://familysearch.org/search/catalog/216265. Information from this source tagged as [Ref: SP I p[0-9]*].
  4. Sheppard, Walter Lee, Royal Bye-Blows III: Illegitimate Descendants of the Scottish Kings to James VI, in NEHGR v122 (Oct 1968) pp265-274. Available at http://americanancestors.org/databases/new-england-historical-and-genealogical-register/image Information from this source tagged as [Ref: Sheppard RoyalByeBlowsIII p[0-9]*].
  5. Thompson, Neil D, and Hansen, Charles M, Medieval Heritage: The Ancestry of Charles II, King of England, The Genealogist, 2:157-68, 3:25-44, 3:175-94, 4:144-58, 5:64-72, 5:226-39, 6:100-3, 6:148-65, 7-8:137-43, 9:40-4, 10:73-85, 11:63-72, 11:184-93, 12:83-90, 12:250-6, 13:92-9, 13:252-6, 14:81-4, 14:207-10, 15:99-103, 15:220-4, 16:93-8, 16:227-31, 17:61-4, 17:250-5, 18:123-7, 18:228-31, 19:62-8, 19:251-5, 20:85-8, 20:184-90, 21:71-5, 21:250-4, 22:101-6, 22:186-91, 23:73-9, 23:203-8, 24:110-27, 24:239-54, 25:56-73, 25:214-32, 26:77-101, 26:202-26, 27:189, 28:90, 33:300. NYPL APA 82-1000. Available at https://www.americanancestors.org/databases/genealogist-the/image/. Reprinted, with further corrections, as Thompson, Neil D, and Hansen, Charles M, The Ancestry of Charles II, King of England: A Medieval Heritage. Saline, Michigan: McNaughton & Gunn, 2012. NYPL ARF 13-5787. Information from this source tagged as [Ref: Thompson CharlesII v[0-9]*-[0-9]*].

Sources for birth and parent Information
date:
second daughter [Ref: SP I p8, Thompson CharlesII v12-251(45)],
parents:
[Ref: Burke Peerage cclxxxviii, Richardson RoyalAnc v5p39, SP I p8, Sheppard RoyalByeBlowsIII p267, Thompson CharlesII v12-251(45)]
Sources for death Information
place:
[Ref: Richardson RoyalAnc v5p39, Thompson CharlesII v12-251(45)]
Research Notes:
died unmarried [Ref: Richardson RoyalAnc v5p39]

d.s.p. [Ref: SP I p8, Sheppard RoyalByeBlowsIII p267]



Pedigree of Catharine ISAAC
 /-----Thomas ISAAC
Catharine ISAAC
|                                                               /-----Robert De BRUS, Baron Of Skelton
|                                                      /-----Robert De BRUS, Lord Of Annandale
|                                                     |         \-----Agnes PAYNEL
|                                             /-----William De BRUS, Lord Of Annandale
|                                            |        |         /-----Ingelran Of Aumale
|                                            |         \-----Euphemia
|                                    /-----Robert De BRUS, Lord Of Annandale
|                                   |        |                  /-----Alan FITZ FLEALD
|                                   |        |         /-----Walter FITZALAN, High Steward Of Scotland
|                                   |        |        |         \-----Avelina De HESDIN
|                                   |         \-----Christina
|                                   |                 |         /-----Thomas Of London
|                                   |                  \-----Sechym De MOILE
|                           /-----Sir Robert De BRUS, Baron Of Writtle
|                          |        |                           /-----David I The Saint King Of Scots
|                          |        |                  /-----Henry Of Huntingdon, Earl Of Huntingdon
|                          |        |                 |         \-----Maud Of Huntingdon
|                          |        |         /-----David Earl Of Huntingdon
|                          |        |        |        |         /-----William II De Warrene, Earl Of Surrey
|                          |        |        |         \-----Ada De WARENNE
|                          |        |        |                  \-----Isabel De Vermandois, Countess Of Leicester
|                          |         \-----Isabella Of Huntingdon
|                          |                 |                  /-----Ranulf De GERNON, Earl Of Chester, Vicomte D'Avranches
|                          |                 |         /-----Hugh Of Kevelioc, Earl Of Chester
|                          |                 |        |         \-----Maud De CAEN
|                          |                  \-----Maud Of Chester
|                          |                          |         /-----Simon De MONTFORT, Count Of Evreux
|                          |                           \-----Bertrade De MONTFORT
|                          |                                    \-----Maud
|                  /-----Sir Robert De BRUS, Earl Of Carrick, Lord Of Annand
|                 |        |                                    /-----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
|                 |         \-----Isabel De CLARE
|                 |                 |                           /-----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
|         /-----Robert De BRUS, King Of Scots
|        |        |                                             /-----Fergus Lord Of Galloway
|        |        |                                    /-----Gilbert Of Galloway
|        |        |                                   |         \-----Sibyl/Elizabeth
|        |        |                           /-----Duncan Earl Of Carrick
|        |        |                          |        |         /-----Duncan MACDUFF, Earl Of Fife, Regent Of Scotlan
|        |        |                          |         \-----Aufrica
|        |        |                  /-----Nicol Of Carrick
|        |        |                 |        |                  /-----Walter FITZALAN, High Steward Of Scotland
|        |        |                 |        |         /-----Alan High Steward Of Scotland
|        |        |                 |        |        |         \-----Sechym De MOILE
|        |        |                 |         \-----Avelina Of Scotland
|        |        |                 |                 |         /-----Swan
|        |        |                 |                  \-----Eva
|        |        |         /-----Neil Earl Of Carrick, Regent Of Scotland
|        |        |        |        |         /-----Niall Ruadh O'NEILL
|        |        |        |         \-----(Unk) O'NEILL
|        |         \-----Margaret Of Carrick, Countess Of Carrick
|        |                  \-----Isabella
 \-----Mathilda De BRUS
         |                                             /-----Walter De BURGH
         |                                    /-----William De BURGH, Lord of Connaught
         |                                   |         \-----Alice
         |                           /-----Richard De BURGH, Lord of Connaught
         |                          |        |                  /-----Tairrdelbach O'Brien, King Of Munster
         |                          |        |         /-----Domnall Mor O'Brien, King Of Munster
         |                          |        |        |         \-----Sadb
         |                          |         \-----(Unk Dau) O'BRIEN
         |                  /-----Walter De BURG, Earl Of Ulster
         |                 |        |                           /-----Gilbert De LACY
         |                 |        |                  /-----Hugh De LACY, Baron Of Weobley
         |                 |        |         /-----Walter De LACY, Baron Of Weobley
         |                 |        |        |        |         /-----Baderon De MONMOUTH
         |                 |        |        |         \-----Roheis De MONMOUTH
         |                 |        |        |                  \-----Rohese De CLARE
         |                 |         \-----Egidia (Jill) De LACY
         |                 |                 |                  /-----William De BRAOS, Baron Of Bramber
         |                 |                 |         /-----William De BRAOS, Baron Of Bramber
         |                 |                 |        |         \-----Bertha Of Hereford
         |                 |                  \-----Margaret De BRAOISE
         |                 |                          |         /-----Bernard De St VALERY, Baron Of Beckley
         |                 |                           \-----Matilda De ST VALERIE De HAIA
         |                 |                                    \-----Matilda
         |         /-----Richard De BURGH, Earl Of Ulster
         |        |        |                           /-----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
         |        |         \-----Aveline 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
          \-----Elizabeth De BURG
                  |                                             /-----Arnold Of Gent, Count Of Guines
                  |                                    /-----Baldwin II Count Of Guines
                  |                                   |         \-----Mahaut De SAINT OMER
                  |                           /-----Arnold II Count Of Guines
                  |                          |        |         /-----Arnold IV De Marcq, Lord Of Ardres
                  |                          |         \-----Christine Of Ardres
                  |                          |                  \-----Adelide Of Ardres
                  |                  /-----Baldwin III Count Of Guines
                  |                 |        |         /-----Walter Chatelain Of Bourbourg
                  |                 |         \-----Beatrix De Bourbourg
                  |                 |                  \-----Mathilde Of Bethune
                  |         /-----Arnold III Count Of Guines
                  |        |        |                           /-----Eustace II De FIENNES, Baron Fiennes
                  |        |        |                  /-----Ingleman De FIENNES
                  |        |        |                 |         \-----Margaret Of Guines
                  |        |        |         /-----William De FIENNES
                  |        |        |        |        |         /-----Faramus De BOULOGNE
                  |        |        |        |         \-----Sybilla De BOULOGNE
                  |        |        |        |                  \-----Matilda
                  |        |         \-----Mahaut Fiennes
                  |        |                 |                  /-----Alberic I De DAMMARTIN
                  |        |                 |         /-----Alberic II De DAMMARTIN, Count Of Dammartin
                  |        |                 |        |         \-----(Unk)
                  |        |                  \-----Agnes De DAMMARTIN
                  |        |                          |         /-----Renaud Count Of Clermont
                  |        |                           \-----Maud Of Clermont
                  |        |                                    \-----Clemence Of Bar-Le-Duc
                   \-----Margaret Of Guines
                           |                                    /-----Thomas De COUCY, Count Of Anvers
                           |                           /-----Enguerrand II Sire De COUCY
                           |                          |         \-----Melisende De CRECY En LAONNOIS
                           |                  /-----Ralph I Sire De COUCY
                           |                 |        |         /-----Ralph Seigneur De BAUGENCI
                           |                 |         \-----Agnes De BAUGENCI
                           |                 |                  \-----Matilda Of Vermandois
                           |         /-----Enguerrand III Lord Of Coucy
                           |        |        |                  /-----Louis VI The Fat King Of France
                           |        |        |         /-----Robert I Count Of Dreux
                           |        |        |        |         \-----Adelaide Of Savoy
                           |        |         \-----Adelaide Of Dreux
                           |        |                 |         /-----Gui Seigneur De Baudmont And Braine
                           |        |                  \-----Agnes De Baudemont
                           |        |                           \-----Adelaide
                            \-----Alix Of Coucy
                                    |                           /-----Helie Lord Of Ferte-Gaucher
                                    |                  /-----Andre Lord Of Ferte-Gaucher
                                    |                 |         \-----Adelaide Of Marsuil
                                    |         /-----John Seigneur De Montmirel
                                    |        |        |         /-----Simon De Oizy, Chatelain De Cambrai
                                    |        |         \-----Hildearde Of Oisy
                                    |        |                  \-----Ade Of Ferte-Ancoul
                                     \-----Mary Of Montmirail
                                             |                  /-----Gui I Seigneur De Dampierre, Vicomte Of Troyes
                                             |         /-----William Seigneur De Dampierre, Constable Of Cham
                                             |        |         \-----Helvide Of Baudemont
                                              \-----Helvide Of Dampierre
                                                      |         /-----Dreux IV Seigneur De Morichy
                                                       \-----Ermengarde
                                                                \-----Basilie



Descendants of Catharine ISAAC
1. Catharine ISAAC