Biography of Percy Wyndham O'Brien 1st Earl Thomond 1713-1774
Paternal Family Tree: Wyndham
Maternal Family Tree: Audrey Saunders 1551-1588
On 29 Jun 1695 [his grandfather] Edward Wyndham 2nd Baronet (age 28) died. His son [his father] William Wyndham 3rd Baronet (age 7) succeeded 3rd Baronet Wyndham of Orchard in Somerset.
Before 19 Aug 1710 [his father] William Wyndham 3rd Baronet (age 22) and [his mother] Catherine Seymour (age 17) were married. She the daughter of Charles Seymour 6th Duke Somerset (age 48) and Elizabeth Percy Duchess Somerset (age 43).
Around 1713 Percy Wyndham O'Brien 1st Earl Thomond was born to William Wyndham 3rd Baronet (age 25) and Catherine Seymour (age 20).
Around 1729 Percy Wyndham O'Brien 1st Earl Thomond (age 16) educated at St Mary Hall, Oxford University.
On 09 Apr 1731 [his mother] Catherine Seymour (age 38) died.
On 17 Jun 1740 [his father] William Wyndham 3rd Baronet (age 52) died. His son [his brother] Charles Wyndham 2nd Earl Egremont (age 29) succeeded 4th Baronet Wyndham of Orchard in Somerset.
In 1745 Percy Wyndham O'Brien 1st Earl Thomond (age 32) was elected MP Taunton.
In 1747 Percy Wyndham O'Brien 1st Earl Thomond (age 34) was elected MP Minehead.
In 1754 Percy Wyndham O'Brien 1st Earl Thomond (age 41) was elected MP Cockermouth.
In 1756 Percy Wyndham O'Brien 1st Earl Thomond (age 43) was created 1st Earl Thomond.
In 1774 Percy Wyndham O'Brien 1st Earl Thomond (age 61) died.
Kings Wessex: Great x 21 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 18 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 23 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 18 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 7 Grand Son of King Henry VII of England and Ireland
Kings Scotland: Great x 16 Grand Son of William "Lion" I King Scotland
Kings Franks: Great x 17 Grand Son of Louis VII King Franks
Kings France: Great x 10 Grand Son of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: John Wyndham 8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: John Wyndham of Orchard 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Florence Wadham
Great x 2 Grandfather: John Wyndham of Orchard 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Henry Portman
Great x 3 Grandmother: Joan Portman
Great x 1 Grandfather: William Wyndham 1st Baronet 11 x Great Grand Son of King Edward "Longshanks" I of England
GrandFather: Edward Wyndham 2nd Baronet 12 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Anthony Hungerford
12 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: Anthony Hungerford of Black Bourton 13 x Great Grand Son of King John "Lackland" of England
Great x 2 Grandfather: Anthony Hungerford 14 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Giles Crouch of Cornhill
Great x 3 Grandmother: Sarah Crouch
Great x 1 Grandmother: Frances Hungerford 15 x Great Grand Daughter of King John "Lackland" of England
Great x 3 Grandfather: Rice Jones
Great x 2 Grandmother: Rachel Jones
Father: William Wyndham 3rd Baronet 13 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Thomas Gower
Great x 3 Grandfather: Thomas Gower 1st Baronet
Great x 2 Grandfather: Thomas Gower 2nd Baronet
Great x 4 Grandfather: John Doyley
Great x 3 Grandmother: Anne Doyley Baroness Gower
Great x 1 Grandfather: William Leveson-Gower 4th Baronet
Great x 4 Grandfather: Thomas Leveson
Great x 3 Grandfather: John Leveson
Great x 4 Grandmother: Ursula Gresham
Great x 2 Grandmother: Frances Leveson Baroness Gower
GrandMother: Katherine Leveson-Gower Lady Wyndham
Great x 4 Grandfather: Bernard Grenvlle
Great x 3 Grandfather: Bevil Grenville
Great x 2 Grandfather: John Granville 1st Earl Bath
Great x 4 Grandfather: George Smith of Exeter
Great x 3 Grandmother: Grace Smith
Great x 4 Grandmother: Grave Viell
Great x 1 Grandmother: Jane Granville Baroness Gower
Great x 3 Grandfather: Peter Wyche
Great x 2 Grandmother: Jane Wyche
Percy Wyndham O'Brien 1st Earl Thomond 7 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Edward Seymour 1st Earl Hertford 5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Edward Seymour 2 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Catherine Grey Countess Hertford
Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandfather: Francis Seymour 1st Baron Seymour Trowbridge 3 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Honora Rogers
Great x 1 Grandfather: Charles Seymour 2nd Baron Seymour Trowbridge 4 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: Gilbert Prynne of Allington
Great x 2 Grandmother: Frances Prynne 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Wymond Carey
5 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Jane Davys 6 x Great Grand Daughter of King Edward III of England
GrandFather: Charles Seymour 6th Duke Somerset 5 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Giles Alington 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Giles Alington 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 2 Grandfather: William Alington 1st Baron Alington 12 x Great Grand Son of King Edward "Longshanks" I of England
Great x 1 Grandmother: Eizabeth Alington 2nd Baroness Seymour Trowbridge 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Lionel Tollemache 1st Baronet
Great x 3 Grandfather: Lionel Tollemache 2nd Baronet 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Katherine Cromwell
7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Elizabeth Tollemache Baroness Alington 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: John Stanhope 1st Baron Stanhope
5 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Elizabeth Stanhope Lady Talmash 6 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Margaret Macwilliams Baroness Stanhope
Mother: Catherine Seymour 6 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Henry Percy 8th Earl of Northumberland 5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Henry "Wizard Earl" Percy 9th Earl of Northumberland 6 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Katherine Neville Countess Northumberland
6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Algernon Percy 10th Earl of Northumberland 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Walter Devereux 1st Earl Essex
6 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Dorothy Devereux Countess Northumberland 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Lettice Knollys Countess Essex
6 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: Josceline Percy 11th Earl of Northumberland 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Howard 1st Earl Suffolk
7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Theophilus Howard 2nd Earl Suffolk 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Catherine Knyvet Countess Suffolk
9 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandmother: Elizabeth Howard Countess Northumberland 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: George Home 1st Earl Dunbar
Great x 3 Grandmother: Elizabeth Home Countess Suffolk 18 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Elizabeth Gordon Countess Dunbar 17 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandMother: Elizabeth Percy Duchess Somerset 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Henry Wriothesley 2nd Earl of Southampton
Great x 3 Grandfather: Henry Wriothesley 3rd Earl of Southampton 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Mary Browne Countess Southampton
6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Thomas Wriothesley 4th Earl of Southampton 2nd Earl Chichester 7 x Great Grand Son of King Henry IV of England
Great x 4 Grandfather: John Vernon
5 x Great Grand Son of King Henry IV of England
Great x 3 Grandmother: Elizabeth Vernon Countess Southampton 6 x Great Grand Daughter of King Henry IV of England
Great x 1 Grandmother: Elizabeth Wriothesley Countess Northumberland 8 x Great Grand Daughter of King Henry IV of England
Great x 4 Grandfather: Francis Leigh
Great x 3 Grandfather: Francis Leigh 1st Earl Chichester
Great x 4 Grandmother: Mary Egerton
Great x 2 Grandmother: Elizabeth Leigh Countess Southampton 13 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: John Boteler 1st Baron Boteler 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Audrey Boteler Countess Chichester 12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Elizabeth Villiers Baroness Boteler Brantfield