Obrien Paternal Family Tree
Connor O'Brien King of Thomond
Connor O'Brien King of Thomond
Donough O'Brien 2nd Earl of Thomond
In or before 1534 m Helen Butler x 1
Died 01 Apr 1553
8 x Great Grand Son of King Edward I of England
Donough O'Brien 2nd Earl of Thomond
Connor O'Brien 3rd Earl of Thomond
Born 1534
Died 1581 (47)
9 x Great Grand Son of King Edward I of England
Connor O'Brien 3rd Earl of Thomond
Donogh O'Brien 4th Earl Thomond
After Sep 1577 m Helen Roche
Second Cousin Once Removed
After 06 Nov 1585 m Elizabeth Fitzgerald Countess Thomond x 2
Second Cousin Once Removed
Died 05 Sep 1624
7 x Great Grand Son of King Edward III of England
Donogh O'Brien 4th Earl Thomond
Elizabeth Fitzgerald Countess Thomond
Henry O'Brien 5th Earl Thomond
Born 1588
Married Mary Brereton Countess Thomond x 5
Died 26 Jul 1639 (51)
8 x Great Grand Daughter of King Edward III of England
Henry O'Brien 5th Earl Thomond
Mary Brereton Countess Thomond
Mary O'Brien Viscountess Cullen
Born 1609
24 Jun 1627 m Charles Cockayne 1st Viscount Cullen x 4
After 1661 m George Blount
Died 1686 (77)
8 x Great Grand Daughter of King Edward III of England
Henry O'Brien 5th Earl Thomond
Mary Brereton Countess Thomond
Margaret O'Brien Marchioness of Worcester
1639 m Edward Somerset 2nd Marquess Worcester
Fourth Cousin
Died 26 Jul 1681
8 x Great Grand Daughter of King Edward III of England
Henry O'Brien 5th Earl Thomond
Mary Brereton Countess Thomond
Elisabeth O'Brien Baroness Gerard
Baroness Gerard of Gerard's Bromley
21 Aug 1636 m Dutton Gerard 3rd Baron Gerard x 1
Died 1657
8 x Great Grand Daughter of King Edward III of England
Henry O'Brien 5th Earl Thomond
Mary Brereton Countess Thomond
Anne O'Brien Countess Thomond
1641 m Henry O'Brien 7th Earl Thomond x 1
First Cousin
Died Sep 1645
8 x Great Grand Daughter of King Edward III of England
Henry O'Brien 5th Earl Thomond
Mary Brereton Countess Thomond
Honora O'Brien
Before 1665 m Francis Englefield 3rd Baronet
Third Cousin Once Removed
After 1665 m Robert Howard
Fourth Cousin Once Removed
7 x Great Grand Son of King Edward III of England
Donogh O'Brien 4th Earl Thomond
Elizabeth Fitzgerald Countess Thomond
Barnabas O'Brien 6th Earl Thomond
In or before 1620 m Anne or Mary Fermor x 2
Died Nov 1657
8 x Great Grand Son of King Edward III of England
Barnabas O'Brien 6th Earl Thomond
Henry O'Brien 7th Earl Thomond
Born 1620
1641 m Anne O'Brien Countess Thomond x 1
First Cousin
Before 02 May 1691 m Sarah Russell Countess Thomond x 2
Died 02 May 1691 (71)
9 x Great Grand Son of King Edward III of England
Henry O'Brien 7th Earl Thomond
Coefficient of Inbreeding: 6.36%
Henry O'Brien
Born 1642
Before 01 Sep 1678 m Katherine Stewart
Third Cousin Once Removed
Died 01 Sep 1678 (36)
10 x Great Grand Daughter of King Edward III of England
Mary O'Brien Countess Kildare
Born 22 Jan 1663
Before 1683 m John Fitzgerald 18th Earl of Kildare
Third Cousin Twice Removed
Died Nov 1683 (20)
10 x Great Grand Daughter of King Edward III of England
Baroness Clifton of Leighton Bromswold in Huntingdonshire
Born 22 Jan 1663
10 Jul 1685 m Edward Hyde 3rd Earl Clarendon x 4
Fifth Cousin
Died 11 Aug 1706 (43)
9 x Great Grand Son of King Edward III of England
Henry O'Brien 7th Earl Thomond
Sarah Russell Countess Thomond
Henry Horatio O'Brien
24 Jun 1686 m Henrietta Somerset Countess Suffolk x 1
Fourth Cousin Once Removed
Died of smallpox 1690
10 x Great Grand Son of King Edward III of England
Henrietta Somerset Countess Suffolk
Henry O'Brien 8th Earl Thomond
Born 14 Aug 1688
1707 m Elizabeth Seymour Countess Thomond
Half Fifth Cousin
Died 20 Apr 1741 (52)
9 x Great Grand Daughter of King Edward III of England
Henry O'Brien 7th Earl Thomond
Sarah Russell Countess Thomond
Auberie Anne Penelope O'Brien
06 Sep 1691 m Henry Howard 6th Earl Suffolk x 1
Fifth Cousin Once Removed
8 x Great Grand Daughter of King Edward III of England
Barnabas O'Brien 6th Earl Thomond
Penelope O'Brien Countess Peterborough
Born 1622
1644 m Henry Mordaunt 2nd Earl Peterborough x 2
Died 18 Apr 1702 (80)
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