Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-30-2024.

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

Person Info

Name: Sir John FITZ GERALD
Sex: M
Birth: 4 ^b

Parents:

Father:
Thomas FITZ GERALD, Earl Of Desmond Death: 15 Feb 1467/8 in Drogneda

Mother:

Ellice BARRY

Family:
Marriage:

More O'BRIEN .^m1
More O'BRIEN

Children:

James FITZ GERALD, Earl Of Desmond Birth: 2 Death: 14 Oct 1558
Sir Maurice FITZ GERALD Birth: 4

Bibliography

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:: fourth son [Ref: CP IV p251],
parents:: [Ref: CP IV p251]

Sources with Information about marriage to More O'BRIEN

child:: [Ref: CP IV p251, CP IV p252]

Research Notes:

Pedigree of Sir John FITZ GERALD
                                                                /-----Thomas FITZ MAURICE
                                                       /-----John FITZ THOMAS
                                                      |         \-----Sabine
                                              /-----Morice FITZ JOHN
                                             |        |         /-----Thomas Fitz Anthony
                                             |         \-----Margery
                                     /-----Thomas FITZ MORICE
                                    |         \-----Maud De BARRY
                            /-----Morice FITZ THOMAS, Earl Of Desmond
                           |        |                           /-----Thomas De BERKELEY, Baron Of Berkeley
                           |        |                  /-----Maurice De BERKELEY, Baron Of Berkeley
                           |        |                 |         \-----Joan SOMERY
                           |        |         /-----Sir Thomas De BERKELEY, Lord Berkeley
                           |        |        |        |         /-----Richard Fitz Roy, Baron Of Chilham
                           |        |        |         \-----Isabel FITZ ROY
                           |        |        |                  \-----Rohese De DOVER
                           |         \-----Margaret BERKELEY
                           |                 |                  /-----William De FERRERS, Earl Of Derby
                           |                 |         /-----William De FERRERS, Earl Of Derby
                           |                 |        |         \-----Agnes Of Chester, Lady Of Chartley
                           |                  \-----Joan De FERRERS
                           |                          |         /-----Roger De QUINCY, Earl Of Winchester
                           |                           \-----Margaret De QUINCEY
                           |                                    \-----Helen Of Galloway
                   /-----Gerald Fitz Morice, Earl Of Desmond
                  |        |                                    /-----Maurice FITZ THOMAS
                  |        |                           /-----Thomas FITZ MAURICE
                  |        |                  /-----Maurice FITZ THOMAS, Lord Kerry
                  |        |         /-----Nicholas FITZ MAURICE, Lord Kerry
                  |        |        |        |         /-----William FITZ ELIE
                  |        |        |         \-----Ellen FITZ WILLIAM
                  |         \-----Aveline Fitz Nicholas
                  |                 |                           /-----Teige Cael-Uisce O'Brien
                  |                 |                  /-----Turlough King Of Thomond
                  |                 |         /-----Connor O'BRIEN, Prince Of Thomond
                  |                  \-----Slany O'BRIEN
          /-----James FITZ GERALD, Earl Of Desmond
         |        |                                             /-----Theobald Le BOTELER
         |        |                                    /-----Theobald Le BOTELER
         |        |                                   |         \-----Margery De BURGH
         |        |                           /-----Edmund Le BOTELER
         |        |                          |        |         /-----Sir John FITZ GEOFFREY
         |        |                          |         \-----Joan FITZ JOHN
         |        |                          |                  \-----Isabel BIGOD
         |        |                  /-----James BUTLER, Earl Of Ormond
         |        |                 |        |                  /-----Thomas FITZ MAURICE FITZ GERALD
         |        |                 |        |         /-----John FITZ THOMAS FITZ GERALD, Earl Of Kildare
         |        |                 |        |        |         \-----Rohesia De ST MICHAEL
         |        |                 |         \-----Joan FITZ JOHN
         |        |                 |                 |         /-----Alexander ROCHE, Baron Of Fermoy
         |        |                 |                  \-----Blanche ROCHE
         |        |         /-----James BUTLER, Earl Of Ormond
         |        |        |        |                           /-----Humphrey VI De BOHUN
         |        |        |        |                  /-----Humphrey VII De BOHUN, Earl Of Hereford And Essex
         |        |        |        |                 |         \-----Eleanor De BRAIOSE
         |        |        |        |         /-----Humphrey VIII De BOHUN, Earl Of Hereford And Essex
         |        |        |        |        |        |         /-----Sir Ingleman FIENNES, K.B., Lord Of Wendover
         |        |        |        |        |         \-----Maud De FIENNES
         |        |        |        |        |                  \-----Isabel
         |        |        |         \-----Eleanor De BOHUN
         |        |        |                 |                  /-----Henry III King Of England
         |        |        |                 |         /-----Edward I King Of England
         |        |        |                 |        |         \-----Eleanor Of Provence
         |        |        |                  \-----Elizabeth PLANTAGENET
         |        |        |                          |         /-----Fernando III The Saint King Of Castile And Leon
         |        |        |                           \-----Eleanor Of Castile
         |        |        |                                    \-----Joan De DAMMARTIN
         |         \-----Alianore Le BOTILLER
         |                 |                                    /-----Norman DARCY, Baron Of Nocton
         |                 |                           /-----Sir Philip DARCY, Baron Of Nocton
         |                 |                          |         \-----Agnes
         |                 |                  /-----Sir Roger DARCY
         |                 |                 |        |         /-----Roger II BERTRAM, Baron Of Mitford
         |                 |                 |         \-----Isabel BERTRAM
         |                 |                 |                  \-----Agnes
         |                 |         /-----Sir John DARCY, Lord Darcy
         |                 |        |        |                  /-----Sir Gilbert D'ATON
         |                 |        |        |         /-----William D'ATON
         |                 |        |        |        |         \-----Margaret VESCI
         |                 |        |         \-----Isabel D'ATON
         |                  \-----Elizabeth DARCY
         |                          |                           /-----Richard De BURGH, Lord of Connaught
         |                          |                  /-----Walter De BURG, Earl Of Ulster
         |                          |                 |         \-----Egidia (Jill) De LACY
         |                          |         /-----Richard De BURGH, Earl Of Ulster
         |                          |        |        |         /-----Sir John FITZ GEOFFREY
         |                          |        |         \-----Aveline FITZJOHN
         |                          |        |                  \-----Isabel BIGOD
         |                           \-----Joan De BURGH
         |                                   |                  /-----Baldwin III Count Of Guines
         |                                   |         /-----Arnold III Count Of Guines
         |                                   |        |         \-----Mahaut Fiennes
         |                                    \-----Margaret Of Guines
         |                                            |         /-----Enguerrand III Lord Of Coucy
         |                                             \-----Alix Of Coucy
         |                                                      \-----Mary Of Montmirail
/-----Thomas FITZ GERALD, Earl Of Desmond
|        |         /-----Ulick Mac RICHARD BURK
|         \-----Mary Mac RICHARD BURK
Sir John FITZ GERALD
|                                                               /-----David De Barry
|                                                      /-----David De Barry, Lord Barry
|                                             /-----David BARRY, Lord Barry
|                                    /-----David BARRY, Lord Barry
|                                   |         \-----Maud De BOULLTRON
|                           /-----David BARRY, Lord Barry
|                  /-----John BARRY, Lord Barry
|         /-----William BARRY, Lord Barry
|        |        |                                             /-----John FITZ THOMAS
|        |        |                                    /-----Morice FITZ JOHN
|        |        |                                   |         \-----Margery
|        |        |                           /-----Thomas FITZ MORICE
|        |        |                          |         \-----Maud De BARRY
|        |        |                  /-----Morice FITZ THOMAS, Earl Of Desmond
|        |        |                 |        |                  /-----Maurice De BERKELEY, Baron Of Berkeley
|        |        |                 |        |         /-----Sir Thomas De BERKELEY, Lord Berkeley
|        |        |                 |        |        |         \-----Isabel FITZ ROY
|        |        |                 |         \-----Margaret BERKELEY
|        |        |                 |                 |         /-----William De FERRERS, Earl Of Derby
|        |        |                 |                  \-----Joan De FERRERS
|        |        |                 |                           \-----Margaret De QUINCEY
|        |        |         /-----Gerald Fitz Morice, Earl Of Desmond
|        |        |        |        |                           /-----Thomas FITZ MAURICE
|        |        |        |        |                  /-----Maurice FITZ THOMAS, Lord Kerry
|        |        |        |        |         /-----Nicholas FITZ MAURICE, Lord Kerry
|        |        |        |        |        |        |         /-----William FITZ ELIE
|        |        |        |        |        |         \-----Ellen FITZ WILLIAM
|        |        |        |         \-----Aveline Fitz Nicholas
|        |        |        |                 |                  /-----Turlough King Of Thomond
|        |        |        |                 |         /-----Connor O'BRIEN, Prince Of Thomond
|        |        |        |                  \-----Slany O'BRIEN
|        |         \-----Ellice
|        |                 |                                    /-----Theobald Le BOTELER
|        |                 |                           /-----Edmund Le BOTELER
|        |                 |                          |         \-----Joan FITZ JOHN
|        |                 |                  /-----James BUTLER, Earl Of Ormond
|        |                 |                 |        |         /-----John FITZ THOMAS FITZ GERALD, Earl Of Kildare
|        |                 |                 |         \-----Joan FITZ JOHN
|        |                 |                 |                  \-----Blanche ROCHE
|        |                 |         /-----James BUTLER, Earl Of Ormond
|        |                 |        |        |                  /-----Humphrey VII De BOHUN, Earl Of Hereford And Essex
|        |                 |        |        |         /-----Humphrey VIII De BOHUN, Earl Of Hereford And Essex
|        |                 |        |        |        |         \-----Maud De FIENNES
|        |                 |        |         \-----Eleanor De BOHUN
|        |                 |        |                 |         /-----Edward I King Of England
|        |                 |        |                  \-----Elizabeth PLANTAGENET
|        |                 |        |                           \-----Eleanor Of Castile
|        |                  \-----Alianore Le BOTILLER
|        |                          |                           /-----Sir Philip DARCY, Baron Of Nocton
|        |                          |                  /-----Sir Roger DARCY
|        |                          |                 |         \-----Isabel BERTRAM
|        |                          |         /-----Sir John DARCY, Lord Darcy
|        |                          |        |        |         /-----William D'ATON
|        |                          |        |         \-----Isabel D'ATON
|        |                           \-----Elizabeth DARCY
|        |                                   |                  /-----Walter De BURG, Earl Of Ulster
|        |                                   |         /-----Richard De BURGH, Earl Of Ulster
|        |                                   |        |         \-----Aveline FITZJOHN
|        |                                    \-----Joan De BURGH
|        |                                            |         /-----Arnold III Count Of Guines
|        |                                             \-----Margaret Of Guines
|        |                                                      \-----Alix Of Coucy
\-----Ellice BARRY
         |         /-----(Unk) ROCHE, Lord Roche
          \-----Ellen ROCHE

Descendants of Sir John FITZ GERALD

1. Sir John FITZ GERALD m. More O'BRIEN

m. More O'BRIEN father: Donogh O'BRIEN

2+ James FITZ GERALD, Earl Of Desmond m1. Joan ROCHE m2. More O'CARROLL m3. Catherine BUTLER

3+ Sir Maurice FITZ GERALD m. Julia O'MULRYAN

2nd generation

2. James FITZ GERALD, Earl Of Desmond m1. Joan ROCHE m2. More O'CARROLL m3. Catherine BUTLER

m. Joan ROCHE father: Maurice ROCHE, Viscount Fermoy mother: Eleanor FITZ GERALD

m. More O'CARROLL father: Sir Maolrony O'CARROLL mother: Margery O'BRIEN

4 Honora FITZGERALD m. Donough McCARTY, Earl of Clancarty

5 Joan FITZGERALD m. Edmond BARRY, Lord Barry; Edmond BARRY, Lord Barry father: John BARRY, Lord Barry mother: Ellen GIBBON

6 Eleanor FITZJOHN m. John POWER, Lord Power; John POWER, Lord Power father: Sir Richard POWER, Lord Power mother: Catherine BUTLER

7+ Gerald FITZ GERALD, Earl Of Desmond m1. Joan FITZ GERALD m2. Eleanor BUTLER

m. Catherine BUTLER father: Sir Piers BUTLER, Earl Of Ormond mother: Margaret FITZGERALD

3. Sir Maurice FITZ GERALD m. Julia O'MULRYAN

m. Julia O'MULRYAN father: Dermot O'MULRYAN

8+ Eleanor FITZ GERALD m. Maurice ROCHE, Viscount Fermoy

3rd generation

7. Gerald FITZ GERALD, Earl Of Desmond m1. Joan FITZ GERALD m2. Eleanor BUTLER

m. Joan FITZ GERALD father: James FITZ GERALD, Earl Of Desmond mother: Amy MAC-I-BRIEN-ARA

m. Eleanor BUTLER father: Edmund BUTLER, Lord Dunboyne mother: Julia MacCARTHY

9 Catherine FITZ GERALD m1. Maurice ROCHE, Viscount Fermoy m2. Daniel O'BRIEN, Viscount Clare; Maurice ROCHE, Viscount Fermoy father: David ROCHE, Lord Roche Of Fermoy mother: Ellen BUTLER

8. Eleanor FITZ GERALD m. Maurice ROCHE, Viscount Fermoy

m. Maurice ROCHE, Viscount Fermoy father: David ROCHE, Lord Roche Of Fermoy mother: Ellen BUTLER

10 Joan ROCHE m. James FITZ GERALD, Earl Of Desmond; James FITZ GERALD, Earl Of Desmond father: Sir John FITZ GERALD mother: More O'BRIEN

11+ Helen ROCHE m. Donough O'BRIEN, Earl Of Thomond

4th generation

11. Helen ROCHE m. Donough O'BRIEN, Earl Of Thomond

m. Donough O'BRIEN, Earl Of Thomond father: Conor O'BRIEN, Earl Of Thomond mother: Ownye

12+ Margaret O'BRIEN m. Cormac Oge MacCARTY, Viscount Muskerry

5th generation

12. Margaret O'BRIEN m. Cormac Oge MacCARTY, Viscount Muskerry

m. Cormac Oge MacCARTY, Viscount Muskerry

13+ Donough MacCARTY, Earl of Clancarty m. Eleanor BUTLER