Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

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 available to be downloaded.

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


Individual Page


Family:
Children:
  1. Thomas FITZ MAURICE Birth: Abt 1220 Death: 29 Jun 1280 in Buree, Limerick

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 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].*].

Sources for birth and parent Information
date:
abt 1197 [Ref: CP VII p202],
parents:
[Ref: CP VII p200],
father:
[Ref: Burke Peerage p1165, CP VII p202]
Sources for death Information
date:
before 1253 [Ref: Burke Peerage p1165, CP VII p200, CP VII p202]
Sources with Information about marriage to unknown
child:
[Ref: Burke Peerage p1165, CP VII p200, CP VII p201, CP VII p202]
Research Notes:



Pedigree of Maurice FITZ THOMAS
                                                       /-----Cosmus Duke Of Florence
                                              /-----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
 /-----Thomas FITZ MAURICE
|        |                                    /-----Hugh De Montgomery
|        |                           /-----Roger De Montgomery, Seigneur Of Montgomery
|        |                          |         \-----Josceline
|        |                          |                 |         /-----(Unk) Forquelar Of Cirques
|        |                          |                  \-----Senfrie
|        |                  /-----Roger De Montgomery, Earl Of Shrewsbury
|        |                 |         \-----Emma
|        |         /-----Arnulph De MONTGOMERY
|        |        |        |                                    /-----Yves De BELLEME, Seigneur De Belleme
|        |        |        |                           /-----Guilleume Lord of Belleme
|        |        |        |                          |         \-----Godehaut
|        |        |        |                  /-----William I Count Of Alencon And Bellasme
|        |        |        |                 |         \-----Mathilda Dame De Conde-Sur-Noireau
|        |        |        |         /-----William II TALVAS
|        |        |        |        |         \-----Mathilde
|        |        |         \-----Mabel De Belesme
|        |        |                 |         /-----Arnulf
|        |        |                  \-----Hildeburg
|         \-----Alice De MONTGOMERY
|                 |                                             /-----Cennetig Dal Cais King Of Munster And Thomond
|                 |                                    /-----Brian Boruma, King Of Cashel And Munster, High
|                 |                                   |         \-----Be Bind
|                 |                           /-----Tadg Mac Briain
|                 |                          |        |         /-----Carrlus Mac AILELLA, King Of Ui Adea Ocba
|                 |                          |         \-----Echrad
|                 |                  /-----Tairrdelbach Mac TADG, King Of Cashel And Munster, Hi
|                 |                 |        |         /-----Gilla Brigte Ua Mael Muaid, King Of Cenel Fiachach
|                 |                 |         \-----Mor
|                 |         /-----Muirchertach Ua BRIAIN, High King Of Ireland
|                 |        |        |                           /-----Donnchad King Of Ossory
|                 |        |        |                  /-----Gilla Patraic Mac Donnchada, King Of Ossory
|                 |        |        |                 |         \-----Aife
|                 |        |        |         /-----Tadc Mac Gilla Patraic
|                 |        |         \-----Derbforgaill
|                  \-----Lafrocoth
Maurice FITZ THOMAS
 \-----Sabine



Descendants of Maurice FITZ THOMAS
1. Maurice FITZ THOMAS m.

2nd generation

2. Thomas FITZ MAURICE m.

3rd generation

3. Maurice FITZ THOMAS, Lord Kerry m1. Ellen FITZ WILLIAM m2. Sibyl
m. Ellen FITZ WILLIAM father: William FITZ ELIE
m. Sibyl

4th generation

5. Nicholas FITZ MAURICE, Lord Kerry m. Slany O'BRIEN
m. Slany O'BRIEN father: Connor O'BRIEN, Prince Of Thomond

5th generation

9. Aveline Fitz Nicholas m. Morice FITZ THOMAS, Earl Of Desmond
m. Morice FITZ THOMAS, Earl Of Desmond father: Thomas FITZ MORICE mother: Margaret BERKELEY
11. John FITZ NICHOLAS, Lord Kerry m1. Honor O'BRIEN m2. Eleanor FITZ PIERCE
m. Honor O'BRIEN
m. Eleanor FITZ PIERCE father: Gerold FITZ PIERCE