Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 12-10-2023.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom may be downloaded here.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Children:
  1. Gerald FITZ MAURICE, Baron Of Offaly Birth: After 1263 Death: 18 Jul 1287 in Rathmore

Marriage:
Bibliography
  1. Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 03 Canonteigh-Cutts. London: St Catherine Press, 1913. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 3 also available at http://archive.org/completepeerageo03coka Information from this source tagged as [Ref: CP III [Ap][p0-9].*].
  3. 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].*].
  4. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 07 Hussee-Lincolnshire. London: St Catherine Press, 1929. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP VII [Ap][p0-9].*].
  5. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 10, Oakham-Richmond. London: St Catherine Press, 1945. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP X [Ap][p0-9].*].
  6. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.4 (#601-#820): Das Feudale Frankreich und sein Einfluss auf die Welt des Mittelalters. Marburg: Verlag von J. A. Stargardt, 1989. Information from this source tagged as [Ref: ES III.4 #[0-9]*].
  7. 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
father:
[Ref: Burke Peerage p1200, CP III p356, CP VII p200, CP X p16, Richardson RoyalAnc v4p54]
Sources for death Information
date:
[Ref: CP IV p234(d), Richardson RoyalAnc v4p54]
1268 [Ref: CP VII p200]
Jul 1268 [Ref: Burke Peerage p1200, CP X p16],
place:
[Ref: Burke Peerage p1200]
crossing to Ireland [Ref: CP X p16, Richardson RoyalAnc v4p54]
in the Irish seas [Ref: CP IV p234(d)]
Sources with Information about marriage to unknown
date:
first [Ref: Burke Peerage p1200],
names:
Maurice FITZ GERALD & unk first wife [Ref: Burke Peerage p1200],
child:
[Ref: Burke Peerage p1200, CP VII p200, CP X p17]
Sources with Information about marriage to Agnes De VALENCE
date:
[Ref: CP X p16]
first marriage of Agnes [Ref: CP X p381(c), ES III.4 #707, Richardson RoyalAnc v4p54]
second marriage of Maurice [Ref: Burke Peerage p1200, CP VII p200]
Research Notes:
3rd Baron of Offaly [Ref: CP VII p200, Richardson RoyalAnc v4p54]

heir of his grandfather Maurice [Ref: CP X p16]
heir of his father [Ref: CP X p16]

of Adare, Croom, Urigare, Athlacca, Castleroberts, Green, etc, co Limerick [Ref: CP III p356]

eventual heir was his sister Julian [Ref: CP III p356]



Pedigree of Maurice FITZ GERALD, Baron Of Offaly
                                                                /-----Otterus Baron Of Gherardini Of Florence
                                                       /-----Otho GERALDINO, Baron Of Windsor
                                              /-----Walter FITZ OTHO, Baron Of Eton
                                     /-----Gerald Of Windsor, Constable Of Pembroke Castl
                                    |         \-----Beatrice
                            /-----Maurice FITZ GERALD, Lord Of Lanstephen
                           |        |         /-----Rhys Ap Tudor Mawr Prince Of South Wales
                           |         \-----Nest Of Wales, Princess Of Deheubarth
                           |                 |         /-----Rhiwallon Ap Cynfn Of Powys
                           |                  \-----Gladys Of Powys
                   /-----Gerald FITZ MAURICE, Baron Of Offaly
                  |        |                                    /-----Hugh De Montgomery
                  |        |                           /-----Roger De Montgomery, Seigneur Of Montgomery
                  |        |                          |         \-----Josceline
                  |        |                  /-----Roger De Montgomery, Earl Of Shrewsbury
                  |        |                 |         \-----Emma
                  |        |         /-----Arnulph De MONTGOMERY
                  |        |        |        |                  /-----William I Count Of Alencon And Bellasme
                  |        |        |        |         /-----William II TALVAS
                  |        |        |        |        |         \-----Mathilde
                  |        |        |         \-----Mabel De Belesme
                  |        |        |                 |         /-----Arnulf
                  |        |        |                  \-----Hildeburg
                  |         \-----Alice De MONTGOMERY
                  |                 |                           /-----Tadg Mac Briain
                  |                 |                  /-----Tairrdelbach Mac TADG, King Of Cashel And Munster, Hi
                  |                 |                 |         \-----Mor
                  |                 |         /-----Muirchertach Ua BRIAIN, High King Of Ireland
                  |                 |        |        |         /-----Tadc Mac Gilla Patraic
                  |                 |        |         \-----Derbforgaill
                  |                  \-----Lafrocoth
          /-----Sir Maurice FITZ GERALD, Baron Offaly
         |        |         /-----Robert De BIRMINGHAM
         |         \-----Eve De BERMINGHAM
 /-----Gerald FITZ MAURICE
|         \-----Juliane
Maurice FITZ GERALD, Baron Of Offaly



Descendants of Maurice FITZ GERALD, Baron Of Offaly
1. Maurice FITZ GERALD, Baron Of Offaly m1. m2. Agnes De VALENCE
m. Agnes De VALENCE father: William De VALENCE, Lord Of Valence mother: Joan De MUNCHENSEY