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:
Marriage: Children:
  1. Sir Maurice FITZ GERALD, Baron Offaly Birth: Abt 1194 Death: 20 May 1257 in Youghai Monastery

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].*].
  3. 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].*].
  4. Holloway, Naomi D, The Genealogy of Mary Wentworth, Who Became the Wife of William Brewster, Revised Edition, October 1969. LDS Film#1738313 item#5 Information from this source tagged as [Ref: Holloway WENTWORTH p[0-9a]*].
  5. 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]*].
  6. Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].
  7. Weis, Frederick Lewis, Walter Lee Sheppard, Jr, David Faris, Ancestral Roots of Certain American Colonists who came to America before 1700, 7th Edition, Baltimore: Genealogical Publishing Co, 1992. Information from this source tagged as [Ref: Weis AR7 #[0-9][0-9]*[A-Z]*].

Sources for birth and parent Information
date:
1150 [Ref: Holloway WENTWORTH p11]
abt 1150 [Ref: Weis AR7 #178]
abt 1150, prob eldest son of father's presumed second marriage [Ref: CP X p13],
parents:
[Ref: Burke Peerage p1200, CP VII p200, Holloway WENTWORTH p11, Watney WALLOP #393, Weis AR7 #178],
father:
[Ref: CP X p12(f), CP X p13]
Sources for death Information
date:
1-15-1203/4 [Ref: Holloway WENTWORTH p11]
1203 [Ref: Burke Peerage p1200, CP VII p200, Watney WALLOP #393]
before 15 Jan 1203/4 [Ref: Weis AR7 #178]
shortly before 15 Jan 1203/4 [Ref: CP X p13]
Sources with Information about marriage to Eve De BERMINGHAM
date:
abt 1193 [Ref: Burke Peerage p1200, Watney WALLOP #393]
first marriage of Eve [Ref: CP X AppH p100 (with corr in XIV p547), CP X p13, Richardson RoyalAnc v4p337, Weis AR7 #178],
child:
[Ref: Burke Peerage p1200, CP VII p200, CP X p14, Holloway WENTWORTH p11, Watney WALLOP #393, Weis AR7 #178]
Research Notes:
1st Baron of Offaly [Ref: Burke Peerage p1200, CP X AppH p100 (with corr in XIV p547), CP X p13, Holloway WENTWORTH p11, Weis AR7 #178]
Lord Justice of Ireland [Ref: Watney WALLOP #393]

1171: at siege of Dublin [Ref: Weis AR7 #178]

acquired the Barony of Offaly through marriage with Eva de Birmingham [Ref: Burke Peerage p1200, CP X p13]



Pedigree of Gerald FITZ MAURICE, Baron Of Offaly
                                              /-----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
Gerald FITZ MAURICE, Baron Of Offaly
|                                    /-----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
|        |        |                          |        |         /-----(Unk)
|        |        |                          |         \-----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
         |                                                      /-----Lorcan Dal Cais King Of Munster And Thomond
         |                                             /-----Cennetig Dal Cais King Of Munster And Thomond
         |                                    /-----Brian Boruma, King Of Cashel And Munster, High
         |                                   |        |         /-----Aurchad King Of Ui Briuin Or West Connacht
         |                                   |         \-----Be Bind
         |                                   |                  \-----Osnadh
         |                           /-----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
         |        |        |                                    /-----Cellach Mac Cerbaill, King Of Osraige
         |        |        |                           /-----Donnchad King Of Ossory
         |        |        |                          |         \-----Echrad
         |        |        |                  /-----Gilla Patraic Mac Donnchada, King Of Ossory
         |        |        |                 |        |         /-----Faelan Mac Cormac, King Of Dessi
         |        |        |                 |         \-----Aife
         |        |        |         /-----Tadc Mac Gilla Patraic
         |        |         \-----Derbforgaill
          \-----Lafrocoth



Descendants of Gerald FITZ MAURICE, Baron Of Offaly
1. Gerald FITZ MAURICE, Baron Of Offaly m. Eve De BERMINGHAM
m. Eve De BERMINGHAM father: Robert De BIRMINGHAM

2nd generation

2. Sir Maurice FITZ GERALD, Baron Offaly m. Juliane
m. Juliane

3rd generation

3. Gerald FITZ MAURICE m.
4. Maurice FITZ MAURICE FITZ GERALD, Lord Of Offaly m1. Matilda De PRENDERGAST m2. Emeline De LONGSPEE
m. Matilda De PRENDERGAST father: Gerald De PRENDERGAST mother: Matilda De BURG
m. Emeline De LONGSPEE father: Stephen LONGESPEE, Justiciar Of Ireland mother: Emmeline De RIDELISFORD
5. Thomas FITZ MAURICE FITZ GERALD m. Rohesia De ST MICHAEL
m. Rohesia De ST MICHAEL father: Richard De ST MICHAEL, Baron of Reban
6. Olivia FITZ GERALD m. Henry DYLON
m. Henry DYLON father: Sir Thomas DYLON mother: Maud BUTLER

4th generation

7. 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
8. Julian FITZ GERALD m. John De COGAN
m. John De COGAN father: John De COGAN mother: Mary PRENDEGAST
9. Julian FITZ MAURICE m1. Thomas DeCLARE, Lord Of Thomond m2. Adam De CRETING m3. Sir Nicholas AVENEL
m. Thomas DeCLARE, Lord Of Thomond father: Richard De CLARE, Earl Of Gloucester And Hertfor mother: Maud De LACY
m. Adam De CRETING
m. Sir Nicholas AVENEL
13. John FITZ THOMAS FITZ GERALD, Earl Of Kildare m. Blanche ROCHE
m. Blanche ROCHE father: Alexander ROCHE, Baron Of Fermoy
14. Sir Henry DYLON m. Bridget De BERMINGHAM
m. Bridget De BERMINGHAM father: Piers De BERMINGHAM, Lord Of Thetmoy mother: Ela De ODINGSELLS

5th generation

17. John De COGAN m.
19. Richard De CLARE, Lord Clare, Lord Of Thomond m. Joanna FITZ THOMAS
m. Joanna FITZ THOMAS father: Thomas FITZ MORICE mother: Margaret BERKELEY
20. Margaret De CLARE m1. Gilbert De UMFREVILLE m2. Bartholomew De BADLESMERE, Lord Badlesmere
m. Gilbert De UMFREVILLE father: Gilbert De UMFREVILLE, Earl Of Angus mother: Elizabeth COMYN
m. Bartholomew De BADLESMERE, Lord Badlesmere father: Guncelin BADLESMERE
21. Maud De CLARE m1. Robert De CLIFFORD, Lord Clifford m2. Sir Robert De WELLES
m. Robert De CLIFFORD, Lord Clifford father: Roger De CLIFFORD mother: Isabel De VESPONT
m. Sir Robert De WELLES father: Sir Robert De WELLES mother: Isabel De PERITON
23. Thomas FITZ JOHN FITZ GERALD, Earl Of Kildare m. Joan De BURGH
m. Joan De BURGH father: Richard De BURGH, Earl Of Ulster mother: Margaret Of Guines
25. Joan FITZ JOHN m. Edmund Le BOTELER
m. Edmund Le BOTELER father: Theobald Le BOTELER mother: Joan FITZ JOHN
27. Robert DYLON m. Anne Le POER
m. Anne Le POER father: Sir Eustace Le POER