Paternal Family Tree: Holles
Maternal Family Tree: Eleanor Gifford 1575-
On 9th June 1655 [his father] Gilbert Holles 3rd Earl de Clare [aged 22] and [his mother] Grace Pierrepont Countess de Clare [aged 22] were married at St Giles' in the Fields Church [Map]. He the son of [his grandfather] John Holles 2nd Earl de Clare [aged 59] and [his grandmother] Elizabeth Vere Countess Clare.
On 9th January 1662 John Holles 1st Duke Newcastle upon Tyne was born to Gilbert Holles 3rd Earl de Clare [aged 28] and Grace Pierrepont Countess de Clare [aged 29] at Edwinstowe, Nottinghamshire.
On 2nd January 1666 [his grandfather] John Holles 2nd Earl de Clare [aged 70] died. His son Gilbert [aged 32] succeeded 3rd Earl Clare, 3rd Baron Haughton. [his mother] Grace Pierrepont Countess de Clare [aged 33] by marriage Countess Clare
On 16th January 1689 [his father] Gilbert Holles 3rd Earl de Clare [aged 55] died. His son John [aged 27] succeeded 4th Earl Clare, 4th Baron Haughton.
On 1st March 1690 John Holles 1st Duke Newcastle upon Tyne [aged 28] and Margaret Cavendish Duchess Newcastle upon Tyne [aged 28] were married. She by marriage Countess Clare. She the daughter of Henry Cavendish 2nd Duke Newcastle upon Tyne [aged 59] and Frances Pierrepont Duchess Newcastle upon Tyne [aged 59]. He the son of Gilbert Holles 3rd Earl de Clare and Grace Pierrepont Countess de Clare [aged 57]. They were first cousins.
On 8th September 1692 Ralph Montagu 1st Duke Montagu [aged 53] and Elizabeth "Mad Duchess" Cavendish Duchess Albermarle Duchess of Montagu [aged 38] were married at Newcastle House. She the daughter of Henry Cavendish 2nd Duke Newcastle upon Tyne who had died the year before and the widow of Christopher Monck 2nd Duke Albemarle. She the daughter of [his father-in-law] Henry Cavendish 2nd Duke Newcastle upon Tyne and [his aunt] Frances Pierrepont Duchess Newcastle upon Tyne [aged 62].
In 1694 John Holles 1st Duke Newcastle upon Tyne [aged 31] was created 1st Duke Newcastle upon Tyne. [his wife] Margaret Cavendish Duchess Newcastle upon Tyne [aged 32] by marriage Duchess Newcastle upon Tyne.
On 11th February 1694 [his daughter] Henrietta Cavendish Holles Countess of Oxford and Mortimer was born to John Holles 1st Duke Newcastle upon Tyne [aged 32] and [his wife] Margaret Cavendish Duchess Newcastle upon Tyne [aged 32]. Coefficient of inbreeding 6.45%. She married 31st August 1713 Edward Harley 2nd Earl of Oxford and Earl Mortimer, son of Robert Harley 1st Earl of Oxford and Earl Mortimer and Elizabeth Foley Countess of Oxford and Mortimer, and had issue.
In 1698 John Holles 1st Duke Newcastle upon Tyne [aged 35] was appointed 506th Knight of the Garter by King William III of England, Scotland and Ireland [aged 47].
In July 1702 [his mother] Grace Pierrepont Countess de Clare [aged 69] died.
In 1705 Ralph Montagu 1st Duke Montagu [aged 66] was created 1st Duke Montagu. Elizabeth "Mad Duchess" Cavendish Duchess Albermarle Duchess of Montagu [aged 50] by marriage Duchess Montagu.
On 15th July 1711 John Holles 1st Duke Newcastle upon Tyne [aged 49] died. Duke Newcastle upon Tyne, Earl Clare, Baron Haughton extinct.
On 24th December 1716 [his former wife] Margaret Cavendish Duchess Newcastle upon Tyne [aged 55] died. She was buried in the St Mary and St Laurence's Church, Bolsover [Map].
Kings Wessex: Great x 18 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 15 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 21 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 16 Grand Son of Maredudd ap Bleddyn King Powys
Kings Godwinson: Great x 19 Grand Son of King Harold II of England
Kings England: Great x 9 Grand Son of King Edward III of England
Kings Scotland: Great x 13 Grand Son of King William I of Scotland
Kings France: Great x 11 Grand Son of King Philip IV of France
Kings Duke Aquitaine: Great x 22 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great x 14 Grand Son of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: William Holles
Great x 3 Grandfather: William Holles
Great x 4 Grandmother: Elizabeth Scopham
Great x 2 Grandfather: Denzil Holles
Great x 4 Grandfather: John Denzell
Great x 3 Grandmother: Anne Denzell
Great x 1 Grandfather: John Holles 1st Earl de Clare 7 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Robert Sheffield 8 x Great Grandson of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Edmund Sheffield 1st Baron Sheffield 5 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Jane Stanley 
4 x Great Granddaughter of King Edward III of England
Great x 2 Grandmother: Eleanor Sheffield 6 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: John de Vere 15th Earl of Oxford 
5 x Great Grandson of King Edward I of England
Great x 3 Grandmother: Anne Vere Baroness Sheffield 6 x Great Granddaughter of King Edward I of England
Great x 4 Grandmother: Elizabeth Trussell Countess of Oxford 8 x Great Granddaughter of King William I of Scotland
Grandfather: John Holles 2nd Earl de Clare 7 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Edward Stanhope 
Great x 3 Grandfather: Michael Stanhope 4 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Elizabeth Bourchier 
3 x Great Granddaughter of King Edward III of England
Great x 2 Grandfather: Thomas Stanhope 5 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Nicholas Rawson of Aveley in Essex
Great x 3 Grandmother: Anne Rawson
Great x 4 Grandmother: Beatrix Cooke
Great x 1 Grandmother: Anne Stanhope Countess de Clare 6 x Great Granddaughter of King Edward III of England
Great x 3 Grandfather: John Port
Great x 2 Grandmother: Margaret Port
Father: Gilbert Holles 3rd Earl de Clare 8 x Great Grandson of King Edward III of England
Great x 4 Grandfather: John de Vere 4 x Great Grandson of King Edward I of England
Great x 3 Grandfather: John de Vere 15th Earl of Oxford 5 x Great Grandson of King Edward I of England
Great x 4 Grandmother: Alice Colbroke
Great x 2 Grandfather: Geoffrey Vere 6 x Great Grandson of King Edward I of England
Great x 4 Grandfather: Edward Trussell
Great x 3 Grandmother: Elizabeth Trussell Countess of Oxford 8 x Great Granddaughter of King William I of Scotland
Great x 4 Grandmother: Margaret Donne 7 x Great Granddaughter of King William I of Scotland
Great x 1 Grandfather: Horace de Vere 1st Baron Vere 7 x Great Grandson of King Edward I of England
Great x 2 Grandmother: Elizabeth Hardkyn
Grandmother: Elizabeth Vere Countess Clare 8 x Great Granddaughter of King Edward I of England
Great x 4 Grandfather: William Tracy
Great x 3 Grandfather: Henry Tracy
Great x 4 Grandmother: Agnes Digby 
Great x 2 Grandfather: John Tracy
Great x 1 Grandmother: Mary Tracy Baroness Spencer Tilbury
John Holles 1st Duke Newcastle upon Tyne 9 x Great Grandson of King Edward III of England
Great x 4 Grandfather: William Pierrepont 
8 x Great Grandson of King John of England
Great x 3 Grandfather: George Pierrepont 9 x Great Grandson of King John of England
Great x 4 Grandmother: Joan Empson
Great x 2 Grandfather: Henry Pierrepont 10 x Great Grandson of King John of England
Great x 4 Grandfather: William Thwaites
Great x 3 Grandmother: Winifred Thwaites
Great x 1 Grandfather: Robert Pierrepont 1st Earl Kingston 9 x Great Grandson of King Edward I of England
Great x 4 Grandfather: Thomas Cavendish 
6 x Great Grandson of King Edward I of England
Great x 3 Grandfather: William Cavendish 7 x Great Grandson of King Edward I of England
Great x 4 Grandmother: Alice Smith
Great x 2 Grandmother: Frances Cavendish 8 x Great Granddaughter of King Edward I of England
Great x 4 Grandfather: John Hardwick 7 x Great Grandson of King Edward I of England
Great x 3 Grandmother: Bess of Hardwick Countess Shrewsbury and Waterford 8 x Great Granddaughter of King Edward I of England
Great x 4 Grandmother: Elizabeth Leeke 8 x Great Granddaughter of King John of England
Grandfather: William Pierrepont of Thoresby 8 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Francis Talbot 5th Earl of Shrewsbury 
4 x Great Grandson of King Edward III of England
Great x 3 Grandfather: George Talbot 6th Earl of Shrewsbury 5 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Mary Dacre 
5 x Great Granddaughter of King Edward III of England
Great x 2 Grandfather: Henry Talbot 6 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Thomas Manners 1st Earl of Rutland 
4 x Great Grandson of King Edward III of England
Great x 3 Grandmother: Gertrude Manners Countess Shrewsbury and Waterford 5 x Great Granddaughter of King Edward III of England
Great x 4 Grandmother: Eleanor Paston Countess Rutland 
10 x Great Granddaughter of King John of England
Great x 1 Grandmother: Gertrude Talbot Baroness Pierrepont Holme Pierrepoint 7 x Great Granddaughter of King Edward III of England
Great x 2 Grandmother: Elizabeth Rayner
Mother: Grace Pierrepont Countess de Clare 9 x Great Granddaughter of King Edward III of England
Great x 2 Grandfather: John Harries of Cruckton in Shropshire
Great x 1 Grandfather: Thomas Harries aka Harris 1st Baronet
Great x 3 Grandfather: Thomas Prowde of Sutton
Great x 2 Grandmother: Eleanor Prowde
Grandmother: Elizabeth Harries aka Harris
Great x 2 Grandfather: Roger Gifford
Great x 1 Grandmother: Eleanor Gifford