George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery 1759-1827

Paternal Family Tree: Herbert

Maternal Family Tree: Elizabeth Trevor Duchess of Marlborough 1713-1761

On 23rd March 1756 [his father] Henry Herbert 10th Earl Pembroke 7th Earl Montgomery [aged 21] and [his mother] Elizabeth Spencer Countess Pembroke and Montgomery [aged 19] were married. She by marriage Countess Pembroke, Countess Montgomery. She the daughter of [his grandfather] Charles Spencer 3rd Duke of Marlborough [aged 49] and [his grandmother] Elizabeth Trevor Duchess of Marlborough [aged 43]. He the son of Henry Herbert 6th Earl Montgomery 9th Earl Pembroke and Mary Fitzwilliam Countess Pembroke and Montgomery [aged 48]. They were fourth cousin twice removed.

On 10th September 1759 George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery was born to Henry Herbert 10th Earl Pembroke 7th Earl Montgomery [aged 25] and Elizabeth Spencer Countess Pembroke and Montgomery [aged 22] at Wilton House.

On 8th April 1787 George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 27] and Elisabeth Beauclerk [aged 20] were married. He the son of Henry Herbert 10th Earl Pembroke 7th Earl Montgomery [aged 52] and Elizabeth Spencer Countess Pembroke and Montgomery [aged 50]. They were first cousins. She a great x 2 granddaughter of King Charles II of England Scotland and Ireland.

In 1788 [his son] George Herbert was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 28] and [his wife] Elisabeth Beauclerk [aged 21]. He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%. He died aged five in 1793.

In 1790 [his daughter] Diana Herbert Countess Normanton was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 30] and [his wife] Elisabeth Beauclerk [aged 23]. She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%. She married before 17th September 1818 Welbore Ellis Agar 2nd Earl Normanton, son of Charles Agar 1st Earl Normanton and Jane Benson Countess Northampton, and had issue.

On 19th September 1791 [his son] Robert Henry Herbert 12th Earl Pembroke 9th Earl Montgomery was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 32] and [his wife] Elisabeth Beauclerk [aged 25]. He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%.

In 1793 [his son] Charles Herbert was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 33] and [his wife] Elisabeth Beauclerk [aged 26]. He a great x 3 grandson of King Charles II of England Scotland and Ireland. Coefficient of inbreeding 6.26%. He died aged five in 1798.

In 1793 [his son] George Herbert [aged 5] died.

On 25th March 1793 [his wife] Elisabeth Beauclerk [aged 26] died.

Annals of the six Kings of England by Nicholas Trivet

Translation of the Annals of the Six Kings of England by that traces the rise and rule of the Angevin aka Plantagenet dynasty from the mid-12th to early 14th century. Written by the Dominican scholar Nicholas Trivet, the work offers a vivid account of English history from the reign of King Stephen through to the death of King Edward I, blending political narrative with moral reflection. Covering the reigns of six monarchs—from Stephen to Edward I—the chronicle explores royal authority, rebellion, war, and the shifting balance between crown, church, and nobility. Trivet provides detailed insight into defining moments such as baronial conflicts, Anglo-French rivalry, and the consolidation of royal power under Edward I, whose reign he describes with particular immediacy. The Annals combines careful year-by-year reporting with thoughtful interpretation, presenting history not merely as a sequence of events but as a moral and political lesson. Ideal for readers interested in medieval history, kingship, and the origins of the English state, this chronicle remains a valuable and accessible window into the turbulent world of the Plantagenet kings.

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On 26th January 1794 [his father] Henry Herbert 10th Earl Pembroke 7th Earl Montgomery [aged 59] died. His son George [aged 34] succeeded 11th Earl Pembroke8th Earl Montgomery.

In 1798 [his son] Charles Herbert [aged 5] died.

In 1805 King George III of Great Britain and Ireland [aged 66] created new Garter Knights as follows:

628th George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 45],

629th George Finch 9th Earl Winchilsea 4th Earl Nottingham [aged 52],

630th Philip Stanhope 5th Earl Chesterfield [aged 49],

631st George Legge 3rd Earl Dartmouth [aged 49].

On 25th January 1808 George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 48] and Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 23] were married. She by marriage Countess Pembroke, Countess Montgomery. The difference in their ages was 25 years. He the son of Henry Herbert 10th Earl Pembroke 7th Earl Montgomery and Elizabeth Spencer Countess Pembroke and Montgomery [aged 70].

In 1809 [his daughter] Elizabeth Herbert was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 49] and [his wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 24].

On 16th September 1810 [his son] Sidney Herbert 1st Baron Herbert Lea was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 51] and [his wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 25].

In 1813 [his daughter] Mary Herbert Marchioness Ailesbury was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 53] and [his wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 28]. She married 11th May 1837 her half fifth cousin once removed George William Frederick Brudenell 2nd Marquess Ailesbury, son of Charles Brudenell 1st Marquess Ailesbury and Henrietta Maria Hill.

On 31st October 1814 [his daughter] Catherine Herbert Countess Dunmore was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 55] and [his wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 30]. She married 27th September 1836 Alexander Murray 6th Earl Dunmore, son of George Murray 5th Earl Dunmore and Susan Hamilton Countess Dunmore, and had issue.

In 1817 [his daughter] Georgiana Herbert was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 57] and [his wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 32]. She married 18th August 1840 Henry Thomas Petty-Fitzmaurice 4th Marquess Lansdowne, son of Henry Petty-Fitzmaurice 3rd Marquess Lansdowne and Louisa Emma Fox-Strangways Marchioness of Lansdowne.

Before 17th September 1818 [his son-in-law] Welbore Ellis Agar 2nd Earl Normanton [aged 40] and Diana Herbert Countess Normanton [aged 28] were married. She by marriage Countess Normanton. She the daughter of George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 59] and Elisabeth Beauclerk. He the son of Charles Agar 1st Earl Normanton and Jane Benson Countess Northampton.

In 1819 [his daughter] Emma Herbert Viscountess Vesci was born to George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 59] and [his wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 34]. She married 1839 Thomas Vesey 3rd Viscount Vesci, son of John Vesey 2nd Viscount Vesci and Frances Letitia Brownlow Viscountess Vesci, and had issue.

On 26th October 1827 George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery [aged 68] died. His son Robert [aged 36] succeeded 12th Earl Pembroke, 9th Earl Montgomery.

On 27th March 1856 [his former wife] Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery [aged 71] died.

Royal Ancestors of George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery 1759-1827

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 24 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth

Kings Powys: Great x 19 Grand Son of Maredudd ap Bleddyn King Powys

Kings Godwinson: Great x 22 Grand Son of King Harold II of England

Kings England: Great x 12 Grand Son of King Edward III of England

Kings Scotland: Great x 16 Grand Son of King William I of Scotland

Kings France: Great x 14 Grand Son of King Philip IV of France

Kings Duke Aquitaine: Great x 25 Grand Son of Ranulf I Duke Aquitaine

Kings Spain: Great x 17 Grand Son of Alfonso VII King Castile VII King Leon

Ancestors of George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery 1759-1827

Great x 4 Grandfather: Henry Herbert 2nd Earl Pembroke 6 x Great Grandson of King Edward III of England

Great x 3 Grandfather: Philip Herbert 4th Earl Pembroke 1st Earl Montgomery 7 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Mary Sidney Countess Pembroke 9 x Great Granddaughter of King Edward I of England

Great x 2 Grandfather: Philip Herbert 5th Earl Pembroke 2nd Earl Montgomery 8 x Great Grandson of King Edward III of England

Great x 4 Grandfather: Edward de Vere 17th Earl of Oxford 7 x Great Grandson of King Edward I of England

Great x 3 Grandmother: Susan Vere Countess Montgomery 8 x Great Granddaughter of King Edward I of England

Great x 4 Grandmother: Anne Cecil Countess of Oxford 11 x Great Granddaughter of King John of England

Great x 1 Grandfather: Thomas Herbert 8th Earl Pembroke 5th Earl Montgomery 9 x Great Grandson of King Edward III of England

Great x 4 Grandfather: George Villiers of Brokesby

Great x 3 Grandfather: William Villiers 1st Baronet

Great x 4 Grandmother: Audrey Saunders

Great x 2 Grandmother: Catherine Villiers Countess Pembroke and Montgomery

Great x 3 Grandmother: Rebecca Roper Lady Villiers

Grandfather: Henry Herbert 6th Earl Montgomery 9th Earl Pembroke 10 x Great Grandson of King Edward III of England

Great x 3 Grandfather: Edmund Sawyer of Heywood Lodge in White Waltham in Berkshire

Great x 2 Grandfather: Robert Sawyer

Great x 1 Grandmother: Margaret Sawyer Countess Pembroke and Montgomery

father: Henry Herbert 10th Earl Pembroke 7th Earl Montgomery 11 x Great Grandson of King Edward III of England

Great x 3 Grandfather: William Fitzwilliam 3rd Viscount Fitzwilliam 12 x Great Grandson of King Edward I of England

Great x 4 Grandmother: Margaret Plunkett 11 x Great Granddaughter of King Edward I of England

Great x 2 Grandfather: Thomas Fitzwilliam 4th Viscount Fitzwilliam 13 x Great Grandson of King Edward I of England

Great x 1 Grandfather: Richard Fitzwilliam 5th Viscount Fitzwilliam 14 x Great Grandson of King Edward I of England

Grandmother: Mary Fitzwilliam Countess Pembroke and Montgomery 10 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: John Shelley of Mitchelgrove 1st Baronet 11 x Great Grandson of King John of England

Great x 3 Grandfather: Charles Shelley 2nd Baronet 12 x Great Grandson of King John of England

Great x 4 Grandmother: Jane Reresby 12 x Great Granddaughter of King Edward I of England

Great x 2 Grandfather: John Shelley 3rd Baronet 13 x Great Grandson of King John of England

Great x 4 Grandfather: Benjamin Weston

Great x 3 Grandmother: Elizabeth Weston

Great x 4 Grandmother: Elizabeth Sheldon Countess Anglesey

Great x 1 Grandmother: Frances Shelley Viscountess Fitzwilliam 9 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Henry Neville 2nd Baron Abergavenny 6 x Great Grandson of King Edward III of England

Great x 3 Grandfather: George Neville 7 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Catherine Vaux Baroness Bergavenny 8 x Great Granddaughter of King Edward III of England

Great x 2 Grandmother: Winifred Neville Lady Shelley 8 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Thomas Gifford

Great x 3 Grandmother: Mary Gifford

George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery 12 x Great Grandson of King Edward III of England

Great x 4 Grandfather: William Spencer 2nd Baron Spencer 8 x Great Grandson of King Edward III of England

Great x 3 Grandfather: Henry Spencer 1st Earl of Sunderland 8 x Great Grandson of King Henry IV of England

Great x 4 Grandmother: Penelope Wriothesley Baroness Spencer Wormleighton 7 x Great Granddaughter of King Henry IV of England

Great x 2 Grandfather: Robert Spencer 2nd Earl of Sunderland 9 x Great Grandson of King Edward III of England

Great x 4 Grandfather: Robert Sidney 2nd Earl of Leicester 10 x Great Grandson of King Edward I of England

Great x 3 Grandmother: Dorothy Sidney Countess Sunderland 8 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Dorothy Percy Countess Leicester 7 x Great Granddaughter of King Edward III of England

Great x 1 Grandfather: Charles Spencer 3rd Earl of Sunderland 10 x Great Grandson of King Edward III of England

Great x 4 Grandfather: John Digby 1st Earl Bristol 7 x Great Grandson of King Edward III of England

Great x 3 Grandfather: George Digby 2nd Earl Bristol 8 x Great Grandson of King Edward III of England

Great x 4 Grandmother: Beatrice Walcott

Great x 2 Grandmother: Anne Digby Countess Sunderland 9 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: Francis Russell 4th Earl Bedford 10 x Great Grandson of King John of England

Great x 3 Grandmother: Anne Russell Countess Bristol 9 x Great Granddaughter of King Edward III of England

Great x 4 Grandmother: Catherine Brydges Countess Bedford 8 x Great Granddaughter of King Edward III of England

Grandfather: Charles Spencer 3rd Duke of Marlborough 11 x Great Grandson of King Edward III of England

Great x 3 Grandfather: Winston Churchill

Great x 2 Grandfather: John Churchill 1st Duke of Marlborough 14 x Great Grandson of King Edward I of England

Great x 4 Grandfather: John Drake

Great x 3 Grandmother: Elizabeth Drake 13 x Great Granddaughter of King Edward I of England

Great x 4 Grandmother: Helen Boteler 12 x Great Granddaughter of King Edward I of England

Great x 1 Grandmother: Anne Churchill Countess Sunderland 15 x Great Granddaughter of King Edward I of England

Great x 4 Grandfather: John Jennings

Great x 3 Grandfather: Richard Jennings

Great x 2 Grandmother: Sarah Jennings Duchess of Marlborough

Great x 4 Grandfather: Gifford Thornhurst 1st Baronet

Great x 3 Grandmother: Frances Thornhurst

Great x 4 Grandmother: Susanna Temple

mother: Elizabeth Spencer Countess Pembroke and Montgomery 12 x Great Granddaughter of King Edward III of England

Great x 4 Grandfather: John Trevor

Great x 3 Grandfather: John Trevor

Great x 2 Grandfather: Thomas Trevor 1st Baron Trevor Bromham

Great x 1 Grandfather: Thomas Trevor 2nd Baron Trevor Bromham

Great x 2 Grandmother: Elizabeth Searle

Grandmother: Elizabeth Trevor Duchess of Marlborough