Obrien Inchiquin Paternal Family Tree

Father: Murdough O'Brien 1st Earl Inchiquin

Born 1614

Before 1636 m Elizabeth St Leger Countess Inchiquin x 2

Died 09 Sep 1674 (60)

13 x Great Grand Son of King Edward I of England

Mother: Elizabeth St Leger Countess Inchiquin

William O'Brien 2nd Earl Inchiquin

Father: William O'Brien 2nd Earl Inchiquin

Born 1640

Married Margaret Boyle Countess Inchiquin x 1

Died 16 Jan 1692 (52)

11 x Great Grand Son of King Edward III of England

Mother: Margaret Boyle Countess Inchiquin

William O'Brien 3rd Earl Inchiquin

Born 1662

Apr 1691 m Mary Villiers Countess Inchiquin x 5

First Cousin Once Removed

Died 24 Dec 1719 (57)

11 x Great Grand Son of King Edward III of England

Donal O'Brien

Born 1689

11 x Great Grand Son of King Edward III of England

William O'Brien 4th Earl Inchiquin

Born 1700

29 Mar 1720 m Anne Hamilton 2nd Countess Orkney and Inchiquin x 5

First Cousin

Died 18 Jul 1777 (77)

11 x Great Grand Daughter of King Edward III of England

Mother: Anne Hamilton 2nd Countess Orkney and Inchiquin

Countess Orkney, Countess Inchiquin

Mary O'Brien 3rd Countess Orkney and Inchquin

Born 1721

1753 m Murrough O'Brien 1st Marquess Thomond x 1

First Cousin

Died 10 May 1790 (69)

11 x Great Grand Son of King Edward III of England

Mother: Anne Hamilton 2nd Countess Orkney and Inchiquin

William O'Brien

Born 1725

Died 1727 (2)

11 x Great Grand Son of King Edward III of England

Mother: Anne Hamilton 2nd Countess Orkney and Inchiquin

George O'Brien

Born 1727

Died 1728 (1)

11 x Great Grand Son of King Edward III of England

Mother: Anne Hamilton 2nd Countess Orkney and Inchiquin

Murrough O'Brien

Born 1731

Died 1741 (10)

11 x Great Grand Son of King Edward III of England

Mother: Anne Hamilton 2nd Countess Orkney and Inchiquin

Augustus Obrien

11 x Great Grand Son of King Edward III of England

James O'Brien

Born 1701

Died 18 Dec 1771 (70)

12 x Great Grand Daughter of King Edward III of England

Anne O'Brien

Born 1724

1744 m Archbishop Michael Cox

Died in childbirth 19 Jan 1745 (21)

12 x Great Grand Son of King Edward III of England

Murrough O'Brien 1st Marquess Thomond

Marquess Thomond

Born 1726

1753 m Mary O'Brien 3rd Countess Orkney and Inchquin x 1

First Cousin

25 Jul 1792 m Mary Palmer Marchioness Thomond

Died 10 Feb 1808 (82)

12 x Great Grand Daughter of King Edward III of England

Father: Murrough O'Brien 1st Marquess Thomond

Mother: Mary O'Brien 3rd Countess Orkney and Inchquin

Coefficient of Inbreeding: 8.42%

Mary O'Brien 4th Countess Orkney

Countess Orkney

Born 04 Sep 1755

1777 m Thomas Fitzmaurice Earl Orkney x 1

Died 30 Dec 1831 (76)

12 x Great Grand Son of King Edward III of England

John O'Brien

Born 1728

Died 1788 (60)

12 x Great Grand Son of King Edward III of England

Edward Dominic O'Brien

Born 1735

Died 01 Mar 1801 (66)

13 x Great Grand Son of King Edward III of England

Murrough O'Brien

Born 1756

Died 10 Feb 1808 (52)

13 x Great Grand Daughter of King Edward III of England

Mary O'Brien

Born 1759

Married Richard Eyre Cox

After 1783 m William Saurin

Died 23 Jan 1840 (81)

13 x Great Grand Son of King Edward III of England

William O'Brien 2nd Marquess Thomond

Marquess Thomond

Born 1765

16 Sep 1799 m Rebecca Trotter Marchioness Thomond x 4

Died 21 Aug 1846 (81)

14 x Great Grand Daughter of King Edward III of England

Mother: Rebecca Trotter Marchioness Thomond

Susan Maria O'Brien

Married George Frederick Hotham x 2

Died 25 Mar 1857

14 x Great Grand Daughter of King Edward III of England

Mother: Rebecca Trotter Marchioness Thomond

Sarah Obrien

Married William Stanhope Taylor

14 x Great Grand Daughter of King Edward III of England

Mother: Rebecca Trotter Marchioness Thomond

Mary O'Brien Countess Bantry

Countess Bantry

11 Oct 1836 m Richard White 2nd Earl Bantry

14 x Great Grand Daughter of King Edward III of England

Mother: Rebecca Trotter Marchioness Thomond

Elizabeth Obrien

Married George Stucley Bucke

13 x Great Grand Son of King Edward III of England

James O'Brien 3rd Marquess Thomond

Marquess Thomond

Born 1769

Died 03 Jul 1855 (86)

13 x Great Grand Son of King Edward III of England

John O'Brien

Born 1770

Died 1833 (63)

13 x Great Grand Daughter of King Edward III of England

Harriet O'Brien

Born 1775

17 Apr 1800 m Joseph Wallis Hoare 3rd Baronet x 1

Died 01 May 1851 (76)

13 x Great Grand Son of King Edward III of England

Mother: Gertrude Grace Methuen

Edward O'Brien

Born 1780

Married Gertrude Grace Methuen x 1

Married Elizabeth Susan Somerset x 1

Married Diana Hotham

Died 09 Mar 1824 (44)

14 x Great Grand Daughter of King Edward III of England

Father: Edward O'Brien

Daughters x 2 Obrien

13 x Great Grand Son of King Edward III of England

Father: Edward O'Brien

Mother: Elizabeth Susan Somerset

Edward Obrien

12 x Great Grand Daughter of King Edward III of England

Henrietta O'Brien

Born 1737

Died 17 Nov 1797 (60)

11 x Great Grand Son of King Edward III of England

Charles Obrien

11 x Great Grand Daughter of King Edward III of England