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: William O'BRIEN, Earl of Inchiquin
Sex: M
Birth: Abt 1666 ^b
Death: 24 Dec 1719 in Rostellan Castle, co Cork ^d
Burial: 27 Dec 1719 in Cloyne Cathedral ^u

Parents:

Father:
William O'BRIEN, Earl of Inchiquin Birth: Abt 1640 Death: Jan 1691/2 in Jamaica

Mother:

Margaret BOYLE

Family:
Marriage:

Mary Van Den BEMPDE on Abt 26 Jul 1684 .^m1
Mary Van Den BEMPDE

Marriage:

Margaret O'BRIEN on Before 1688 .^m2
Margaret O'BRIEN Death: 1688

Marriage:

Mary VILLIERS on Apr 1691 .^m3
Mary VILLIERS Birth: 6 Death: 17 Apr 1753 in Bath

Children:

Mary O'BRIEN Birth: 12 Feb 1691/2 in London Death: 10 Feb 1780

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].*].
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 1666 [Ref: CP VII p53],
parents:: [Ref: CP VII p53]

Sources for death Information

date:: [Ref: CP VII p53],
place:: [Ref: CP VII p53]

Sources for burial Information

date:: [Ref: CP VII p54],
place:: [Ref: CP VII p54]

Sources with Information about marriage to Mary Van Den BEMPDE

date:: lic 26 Jul 1684 [Ref: CP VII p53]

Sources with Information about marriage to Margaret O'BRIEN

date:: before 1688 [Ref: CP VII p53]

Sources with Information about marriage to Mary VILLIERS

date:: [Ref: CP VII p53],
child:: [Ref: CP IV p457, CP VII p224, CP VII p244]

Research Notes:
3rd Earl of Inchiquin, of Earldom cr 1654 [Ref: CP VII p53]
3rd Earl of Inchiquin [Ref: CP IV p457]
8th Lord Inchiquin, of Barony cr 1543 [Ref: CP VII p53]

heir of his father [Ref: CP VII p53]

Pedigree of William O'BRIEN, Earl of Inchiquin
                                                                /-----Turlogh Don O'BRIEN, Prince Of Thomond
                                                       /-----Murrough O'BRIEN, Prince of Thomond, Earl of Tho
                                                      |         \-----Raghnailt MACNAMARA
                                              /-----Dermond O'BRIEN, Lord Inchiquin
                                             |        |         /-----Sir Thomas FITZGERALD
                                             |         \-----Eleanor FITZGERALD
                                     /-----Murrough O'BRIEN, Lord Inchiquin
                                    |        |                  /-----Conor O'BRIEN
                                    |        |         /-----Donough O'BRIEN, Earl Of Thomond
                                    |        |        |         \-----Annabell De BURGH
                                    |         \-----Margaret O'BRIEN
                                    |                 |         /-----Sir Piers BUTLER, Earl Of Ormond
                                    |                  \-----Ellen BUTLER
                                    |                           \-----Margaret FITZGERALD
                            /-----Murrough O'BRIEN, Lord Inchiquin
                           |        |         /-----Sir Thomas CUSACK
                           |         \-----Margaret CUSACK
                           |                 |         /-----John DARCY
                           |                  \-----Maud DARCY
                   /-----Dermond O'BRIEN, Lord Inchiquin
                  |        |                                    /-----Richard NUGENT, Lord Delvin
                  |        |                           /-----Christopher NUGENT
                  |        |                          |         \-----Isabel FITZGERALD
                  |        |                  /-----Richard NUGENT, Lord Delvin
                  |        |                 |        |         /-----Nicholas St. LAWRENCE, Lord Howth
                  |        |                 |         \-----Marian St. LAWRENCE
                  |        |                 |                  \-----Janet PLUNKETT
                  |        |         /-----Christopher NUGENT, Lord Delvin
                  |        |        |        |                  /-----William PRESTON, Viscount Gormanston
                  |        |        |        |         /-----Jenico PRESTON, Viscount Gormanston
                  |        |        |        |        |         \-----Anne BURNELL
                  |        |        |         \-----Elizabeth PRESTON
                  |        |        |                 |         /-----Gerald FITZGERALD, Earl Of Kildare
                  |        |        |                  \-----Catherine FITZGERALD
                  |        |        |                           \-----Elizabeth ZOUCHE
                  |         \-----Mabel NUGENT
                  |                 |                           /-----Gerald FITZGERALD, K.G., Earl Of Kildare
                  |                 |                  /-----Gerald FITZGERALD, Earl Of Kildare
                  |                 |                 |         \-----Alison FITZEUSTACE
                  |                 |         /-----Gerald FITZGERALD, Earl Of Kildare
                  |                 |        |        |         /-----Thomas GREY, K.G., Marquess of Dorset
                  |                 |        |         \-----Elizabeth GREY
                  |                 |        |                  \-----Cicely BONVILLE, Baroness Harrington And Bonvil
                  |                  \-----Mary FITZGERALD
                  |                          |                  /-----Sir Anthony BROWNE
                  |                          |         /-----Sir Anthony BROWNE, K.G.
                  |                          |        |         \-----Lucy NEVILLE
                  |                           \-----Mable BROWNE
                  |                                   |         /-----Sir John GAGE, K.G.
                  |                                    \-----Alice GAGE
                  |                                             \-----Philippe GUILFORD
          /-----MURROUGH O'BRIEN, Earl of Inchiquin
         |        |         /-----Sir Edmond Fitz-Edmund FITZGERALD
         |         \-----Ellen FITZGERALD
         |                 |         /-----James FITZGERALD
         |                  \-----Honora FITZGERALD
/-----William O'BRIEN, Earl of Inchiquin
|        |         /-----Sir William St LEGER
|         \-----Elizabeth St LEGER
|                  \-----Gertrude De VRIES
William O'BRIEN, Earl of Inchiquin
|                           /-----Roger BOYLE
|                  /-----Richard BOYLE, Earl of Cork
|                 |        |         /-----Robert NAYLOR
|                 |         \-----Joan NAYLOR
|         /-----Roger BOYLE, Earl of Orrery
|        |        |         /-----Sir Geoffrey FENTON
|        |         \-----Catherine FENTON
|        |                 |         /-----Robert WESTON
|        |                  \-----Alice WESTON
\-----Margaret BOYLE
         |                                                      /-----Sir Thomas HOWARD, K.G., Duke Of Norfolk
         |                                             /-----Thomas HOWARD, K.G., Duke Of Norfolk
         |                                            |         \-----Elizabeth TILNEY
         |                                    /-----Henry HOWARD, K.G., Earl of Surrey
         |                                   |        |         /-----Edward STAFFORD, K.G., Duke Of Buckingham
         |                                   |         \-----Elizabeth STAFFORD
         |                                   |                  \-----Eleanor PERCY
         |                           /-----Thomas HOWARD, Duke Of Norfolk
         |                          |        |                  /-----John De VERE
         |                          |        |         /-----John De VERE, K.G., Earl of Oxford
         |                          |        |        |         \-----Alice COLBROKE
         |                          |         \-----Frances VERE
         |                          |                 |         /-----Edward TRUSSELL
         |                          |                  \-----Elizabeth TRUSSELL
         |                          |                           \-----Margaret DONNE
         |                  /-----Thomas HOWARD, Earl Of Suffolk
         |                 |        |                  /-----Geoffrey AUDLEY
         |                 |        |         /-----Sir Thomas AUDLEY, K.G., Lord Audley
         |                 |         \-----Margaret AUDLEY
         |                 |                 |                  /-----Thomas GREY, K.G., Marquess of Dorset
         |                 |                 |         /-----Thomas GREY, K.G., Marquess of Dorset
         |                 |                 |        |         \-----Cicely BONVILLE, Baroness Harrington And Bonvil
         |                 |                  \-----Elizabeth GREY
         |                 |                          |         /-----Sir Robert WOTTON, K.G.
         |                 |                           \-----Margaret WOTTON
         |                 |                                    \-----Anne BELKNAP
         |         /-----Theophilus HOWARD, Earl Of Suffolk
         |        |        |         /-----Sir Henry KNYVETT
         |        |         \-----Catherine KNEVET
         |        |                 |                  /-----William STUMPE
         |        |                 |         /-----Sir James STUMPE
         |        |                 |        |        |         /-----James BERKELEY
         |        |                 |        |         \-----Joyce BERKELEY
         |        |                  \-----Elizabeth STUMPE
         |        |                          |                  /-----Sir John BAYNTON
         |        |                          |         /-----Sir Edward BAYNTON
         |        |                          |        |         \-----Joan DIGGS
         |        |                           \-----Bridget BAYNTON
         |        |                                   |         /-----Sir John SULYARD
         |        |                                    \-----Elizabeth SULLIARD
         |        |                                             \-----Anne ANDREWS
          \-----Margaret HOWARD
                  |                  /-----Alexander HOME
                  |         /-----Sir George HOME, K.G., Earl of Dunbar
                  |        |        |         /-----George HOME
                  |        |         \-----Janet HOME
                   \-----Elizabeth HOME
                           |         /-----Sir Alexander GORDON
                            \-----Elizabeth GORDON
                                    |         /-----David BETOUN
                                     \-----Agnes BETOUN

Descendants of William O'BRIEN, Earl of Inchiquin

1. William O'BRIEN, Earl of Inchiquin m1. Mary Van Den BEMPDE m2. Margaret O'BRIEN m3. Mary VILLIERS

m. Mary Van Den BEMPDE father: Abraham Van Den BEMPDE

m. Margaret O'BRIEN father: James O'BRIEN

m. Mary VILLIERS father: Sir Edward VILLIERS mother: Frances HOWARD

2+ Mary O'BRIEN m. Robert FITZGERALD, Earl Of Kildare

2nd generation

2. Mary O'BRIEN m. Robert FITZGERALD, Earl Of Kildare

m. Robert FITZGERALD, Earl Of Kildare father: Robert FITZGERALD mother: Mary CLOTWORTHY

3+ Margaretta FITZGERALD m. Wills HILL, Marquess Of Downshire

3rd generation

3. Margaretta FITZGERALD m. Wills HILL, Marquess Of Downshire

m. Wills HILL, Marquess Of Downshire father: Trevor HILL, Viscount Hillsborough mother: Mary ROWE

4+ Arthur HILL, Marquess Of Downshire m. Mary SANDYS

4th generation

4. Arthur HILL, Marquess Of Downshire m. Mary SANDYS

m. Mary SANDYS father: Martin SANDYS mother: Mary TRUMBULL

5+ Arthur Blundell Sandys Trumbull HILL, Marquess Of Downshire m. Maria WINDSOR

5th generation

5. Arthur Blundell Sandys Trumbull HILL, Marquess Of Downshire m. Maria WINDSOR

m. Maria WINDSOR father: Other Hickman WINDSOR, Earl of Plymouth mother: Sarah ARCHER

6+ Arthur Wills Blundell Sandys Trumbull W HILL, Marquess Of Downshire m. Caroline Frances STAPLETON-COTTON