Robert Grosvenor 1st Marquess Westminster 1767-1845

Paternal Family Tree: Grosvenor

On 19th July 1764 [his father] Richard Grosvenor 1st Earl Grosvenor [aged 33] and [his step-mother] Henrietta Vernon Countess Grosvenor [aged 28] were married.

On 22nd March 1767 Robert Grosvenor 1st Marquess Westminster was born to Richard Grosvenor 1st Earl Grosvenor [aged 35] at Hanover Square.

Around 1777 Robert Grosvenor 1st Marquess Westminster [aged 9] educated at Westminster School [Map].

Around 1779 Robert Grosvenor 1st Marquess Westminster [aged 11] educated at Harrow School.

In 1784 [his father] Richard Grosvenor 1st Earl Grosvenor [aged 52] was created 1st Earl Grosvenor. [his step-mother] Henrietta Vernon Countess Grosvenor [aged 48] by marriage Countess Grosvenor.

In 1786 Robert Grosvenor 1st Marquess Westminster [aged 18] graduated Master of Arts: Cambridge University at Trinity College, Cambridge University [Map].

In 1788 Robert Grosvenor 1st Marquess Westminster [aged 20] was elected MP East Looe.

In 1790 Robert Grosvenor 1st Marquess Westminster [aged 22] was elected MP Chester.

On 28th April 1794 Robert Grosvenor 1st Marquess Westminster [aged 27] and Eleanor Egerton Marchioness Westminster [aged 23] were married. She the daughter of Thomas Egerton 1st Earl Wilton [aged 44] and Eleanor Assheton Viscountess Wilton [aged 41]. He the son of Richard Grosvenor 1st Earl Grosvenor [aged 62].

On 27th January 1795 [his son] Richard Grosvenor 2nd Marquess Westminster was born to Robert Grosvenor 1st Marquess Westminster [aged 27] and [his wife] Eleanor Egerton Marchioness Westminster [aged 24]. He married before October 1820 Elizabeth Mary Leveson-Gower Marchioness Westminster, daughter of George Granville Leveson-Gower 1st Duke Sutherland and Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland, and had issue.

In 1798 Robert Grosvenor 1st Marquess Westminster [aged 30] was appointed Lord Lieutenant of Flintshire.

The Deeds of the Dukes of Normandy

The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.

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On 30th December 1799 [his son] Thomas Grosvenor 2nd Earl Wilton was born to Robert Grosvenor 1st Marquess Westminster [aged 32] and [his wife] Eleanor Egerton Marchioness Westminster [aged 29]. He married (1) 29th November 1821 Mary Smith-Stanley Countess Wilton, daughter of Edward Smith-Stanley 12th Earl of Derby and Elizabeth Farren Countess Derby, and had issue (2) 12th September 1863 Susan Isabel Elton Smith Countess Wilton.

On 24th April 1801 [his son] Robert Grosvenor 1st Baron Ebury was born to Robert Grosvenor 1st Marquess Westminster [aged 34] and [his wife] Eleanor Egerton Marchioness Westminster [aged 30]. He married 1831 Charlotte Arbuthnot Wellesley Baroness Ebury, daughter of Henry Wellesley 1st Baron Cowley and Charlotte Cadogan Marchioness Anglesey, and had issue.

The London Gazette 15375. Whitehall, June 15, 1801.

The King has been pleased to grant the Dignities of Viscount and Earl of the United Kingdom of Great Britain and Ireland to the Right Honorable William Lord Craven [aged 30], and the Heirs Male of his Body lawfully begotten, by the Names, Stiles, and Titles of Viscount Uffington, in the County of Berks, and Earl of Craven in the County of York. [Louisa Brunton Countess Craven [aged 16] by marriage Countess Craven in Yorkshire].

The King has been pleased to grant the Dignities of Viscount and Earl of the United Kingdom of Great Britain and Ireland to the Right Honourable George Lord Onslow [aged 69], and the Heirs Male of his Body lawfully begotten, by the Names, Stiles, and Title of Viscount Cranley, of Cranley, in the County of Surrey, and Earl of Onslow, of Onslow, in the County of Salop. [Henrietta Shelley Countess Onslow [aged 70] by marriage Countess Onslow.]

The King has also been pleased to grant the said Dignities of Viscount and Earl of the United Kingdom of Great Britain and Ireland to the Right Honorable Charles Lord Romney [aged 56], and the Heirs Male of his Body lawfully begotten, by the Name, Stiles, and Titles of Viscount Marsham of the Mote, in the County of Kent, and 1st Earl of Romney.

The King has been pleased to grant the Dignity of Earl of the United Kingdom of Great Biitain and Ireland to the Right Honorable Thomas Lord Pelham [aged 73], and the Heirs Male of his Body lawfully begotten, by the Name, Stile, and Title of Earl of Chichester. [Anne Frankland Countess Chichester [aged 66] by marriage Countess Chichester.]

The King has likewise been pleased to grant the Dignities of Viscount and Earl of the United Kingdom of Great Britain and Ireland, to the Right Honourable [his father-in-law] Thomas Lord Grey de Wilton [aged 51], and the Heirs Male, of his body lawfully begotten, by the Names, Stiles and Titles of Viscount Grey de Wilton, and Earl of Wilton, of Wilton Castle, in the County of Hereford, with Remainders to Thomas Grosvenor, Esq; Second Son, Robert Grosvenor, Esq. Third Son of the Right Honourable Robert Grosvenor [aged 34], (commonly called Viscount Belgrave), by [his wife] Eleanor [aged 30] his Wife, Daughter of the said Thomas Lord Grey de Wilton, and the Fourth, Fifth, Sixths Seventh, and every other Son and Sons, of the said Eleanor by her present or any future Husband, hereafter to be begotten severally and successively, and the respective Heirs Male of their Bodies lawfully begotten. [[his mother-in-law] Eleanor Assheton Viscountess Wilton [aged 48] by marriage Countess Wilton.]

On 5th August 1802 [his father] Richard Grosvenor 1st Earl Grosvenor [aged 71] died at Earls Court, Kensington. He was buried at Grosvenor Vault, St Mary's Church, Eccleston. His son Robert [aged 35] succeeded 2nd Earl Grosvenor, 8th Baronet Grosvenor of Eaton in Cheshire. [his wife] Eleanor Egerton Marchioness Westminster [aged 32] by marriage Countess Grosvenor.

Before October 1820 Richard Grosvenor 2nd Marquess Westminster [aged 25] and Elizabeth Mary Leveson-Gower Marchioness Westminster [aged 23] were married. She the daughter of George Granville Leveson-Gower 1st Duke Sutherland [aged 62] and Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland [aged 55]. He the son of Robert Grosvenor 1st Marquess Westminster [aged 53] and Eleanor Egerton Marchioness Westminster [aged 50].

On 29th November 1821 Thomas Grosvenor 2nd Earl Wilton [aged 21] and Mary Smith-Stanley Countess Wilton [aged 20] were married. She by marriage Countess Wilton. She the daughter of Edward Smith-Stanley 12th Earl of Derby [aged 68] and Elizabeth Farren Countess Derby [aged 62]. He the son of Robert Grosvenor 1st Marquess Westminster [aged 54] and Eleanor Egerton Marchioness Westminster [aged 51].

In 1831 Robert Grosvenor 1st Baron Ebury [aged 29] and Charlotte Arbuthnot Wellesley Baroness Ebury [aged 23] were married. She the daughter of Henry Wellesley 1st Baron Cowley [aged 57] and Charlotte Cadogan Marchioness Anglesey [aged 49]. He the son of Robert Grosvenor 1st Marquess Westminster [aged 63] and Eleanor Egerton Marchioness Westminster [aged 60].

In 1831 Robert Grosvenor 1st Marquess Westminster [aged 63] was created 1st Marquess Westminster. [his wife] Eleanor Egerton Marchioness Westminster [aged 60] by marriage Marchioness Westminster.

In 1841 Robert Grosvenor 1st Marquess Westminster [aged 73] was appointed 687th Knight of the Garter by Queen Victoria of the United Kingdom [aged 21].

On 17th February 1845 Robert Grosvenor 1st Marquess Westminster [aged 77] died at Eaton Hall, Cheshire [Map]. He was buried at Grosvenor Vault, St Mary's Church, Eccleston. His son Richard [aged 50] succeeded 2nd Marquess Westminster, 3rd Earl Grosvenor, 9th Baronet Grosvenor of Eaton in Cheshire. Elizabeth Mary Leveson-Gower Marchioness Westminster [aged 48] by marriage Marchioness Westminster.

On 29th November 1846 [his former wife] Eleanor Egerton Marchioness Westminster [aged 76] died.

Royal Ancestors of Robert Grosvenor 1st Marquess Westminster 1767-1845

Kings Wessex: Great x 23 Grand Son of King Edmund "Ironside" I of England

Kings Gwynedd: Great x 20 Grand Son of Owain "Great" King Gwynedd

Kings Seisyllwg: Great x 26 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth

Kings Powys: Great x 21 Grand Son of Maredudd ap Bleddyn King Powys

Kings England: Great x 15 Grand Son of King Edward I of England

Kings Scotland: Great x 20 Grand Son of King William I of Scotland

Kings France: Great x 24 Grand Son of Hugh I King of the Franks

Kings Duke Aquitaine: Great x 27 Grand Son of Ranulf I Duke Aquitaine

Kings Spain: Great x 19 Grand Son of Alfonso VII King Castile VII King Leon

Ancestors of Robert Grosvenor 1st Marquess Westminster 1767-1845

Great x 4 Grandfather: Richard Grosvenor 1st Baronet 9 x Great Grandson of King Edward I of England

Great x 3 Grandfather: Richard Grosvenor 2nd Baronet 10 x Great Grandson of King Edward I of England

Great x 4 Grandmother: Lettice Cholmondeley

Great x 2 Grandfather: Roger Grosvenor 11 x Great Grandson of King Edward I of England

Great x 1 Grandfather: Thomas Grosvenor 3rd Baronet 12 x Great Grandson of King Edward I of England

Grandfather: Robert Grosvenor 6th Baronet 13 x Great Grandson of King Edward I of England

father: Richard Grosvenor 1st Earl Grosvenor 14 x Great Grandson of King Edward I of England

Great x 1 Grandfather: John Warre

Grandmother: Jane Warre Lady Grosvenor

Robert Grosvenor 1st Marquess Westminster 15 x Great Grandson of King Edward I of England