Cracroft's Peerage
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Bath, Marquess of (GB, 1789)


Creation: let. pat. 18 Aug 1789


Family name: Thynne later Thynn





Quarterly:  1st and 4th, Barry of ten Or and Sable (Boteville);  2nd and 3rd, Argent a Lion rampant with tail nowed and erected Gules (Thynne)


A Reindeer statant Or


Dexter: a Reindeer Or gorged with a plain Collar Sable;  Sinister: a Lion with tail nowed and erected Gules


J'ay Bonne Cause (I have good reason)



Thomas [Thynne], 3rd Viscount Weymouth later 1st Marquess of Bath, KG

1st son of Thomas [Thynne], 2nd Viscount Weymouth, by his second wife Lady Louisa Carteret, 2nd dau. by his first wife of John [Carteret], 2nd Earl Granville


13 Sep 1734


22 May 1759 Lady Elizabeth Cavendish Bentinck, a Lady of the Bedchamber to Queen Charlotte 1761-93 and Mistress of the Robes 1793-1818 (b. 27 Jun 1735; d. 12 Dec 1825), 1st dau. of William [Bentinck], 2nd Duke of Portland, by his wife Lady Margaret Cavendish Harley, only dau. and hrss. of Edward [Harley], 2nd Earl of Oxford and Earl Mortimer


1. Lord Thomas Thynne, later 2nd Marquess of Bath

2. Rt Hon Lord George Thynne MP, later 2nd Baron Carteret

3. Lord John Thynne MP, later 3rd Baron Carteret

1. Lady Louisa Thynne (b. 25 Mar 1760; d. 28 Dec 1832), mar. 18 Nov 1781 Heneage [Finch], 4th Earl of Aylesford, and had issue

2. Lady ..... Thynne

3. Lady Henrietta Thynne, a Lady of the Bedchamber to the Queen Consort 1807-13 (b. 17 Nov 1762; d. 31 May 1813), mar. 2 May 1799 Philip [Stanhope], 5th Earl of Chesterfield, and had issue

4. Lady Sophia Thynne (b. 19 Dec 1763; d. 9 Apr 1791), mar. 28 Aug 1784 as his first wife George [Ashburnham], 3rd Earl of Ashburnham, and had issue


19 Nov 1796


18 Aug 1789 Marquess of Bath

suc. by



suc. his father 12 Jan 1750/51 as 3rd Viscount Weymouth;  a Lord of the Bedchamber 1760-63; Master of the Horse to the Queen 1763-65; Lord Lieutenant of Ireland 1765; Privy Councillor 1765; Secretary of State for the North 1768 and for the South 1768-70 and 1775-79; Elder Brother of the Trinity House 1770-96 and Master 1770-73; Groom of the Stole 1775 and 1782-96; Knight of the Garter 1778


Thomas [Thynne], 2nd Marquess of Bath, KG


25 Jan 1765


14 Apr 1794 Hon Isabella Elizabeth Byng (b. 21 Sep 1773; d. 1 May 1830), 3rd dau. and cohrss. of George [Byng], 4th Viscount Torrington, by his wife Lady Lucy Boyle, 1st dau. by his second wife of John [Boyle], 5th Earl of Cork


1. Lord Thomas Thynne, styled Viscount Weymouth. Member of Parliament (Tory) for Weobley 1818-20 (b. 9 Apr 1796;  dvp. 16 Jan 1837), mar. 11 May 1820 Harriet Matilda Robbins (mar. (2) Count Inghirami;  d. 18 Jun 1873), dau. of Thomas Robbins

2. Lord Henry Frederick Thynne, later 3rd Marquess of Bath

3. Rev Lord John Thynne DD, of Haynes Park, co. Bedford, Canon and Sub-Dean of Westminster (b. 7 Nov 1798;  d. 9 Feb 1881), mar. 2 Mar 1824 Anne Constantia Beresford (d. 22 Apr 1866), dau. of Rev Charles Cobbe Beresford, and had issue

4. Rev Lord Charles Thynne, Canon of Canterbury, Rector of Longbridge and Kingston Deverell, co. Wiltshire (b. 9 Feb 1813;  d. 11 Aug 1894), mar. 18 Jul 1837 Harriet Francis Bagot, dau. of Rt Rev Hon Richard Bagot DD, Bishop of Bath and Wells 1845-54 (by his wife Lady Harriet Villiers, 4th dau. of George Bussy [Villiers], 4th Earl of Jersey), 3rd son of William [Bagot], 1st Baron Bagot, and had issue

1. Lady Elizabeth Thynne (d. 16 Feb 1866), mar. 5 Sep 1816 John Frederick [Campbell], 1st Earl Cawdor, and had issue

2. Lady Louisa Thynne (d. 7 Nov 1859), mar. 5 Jul 1823 Henry [Lascelles], 3rd Earl of Harewood, and had issue

3. Lady Charlotte Anne Thynne VA (d. 28 Mar 1895), mar. 13 Aug 1829 Walter Francis [Montagu-Scott later Montagu-Douglas-Scott], 5th Duke of Buccleuch, and had issue


27 Mar 1837

suc. by



Member of Parliament (Tory) for Weobley 1786-90 and for Bath 790-96; Lord Lieutenant of Somerset 1819-37; Knight of the Garter 1823


Henry Frederick [Thynne], 3rd Marquess of Bath


24 May 1797


10 Apr 1830 Hon Harriet Baring (b. 3 May 1804; d. 2 Jan 1892), 2nd dau. of Alexander [Baring], 1st Baron Ashburton, by his wife Anne Louisa Bingham, 1st dau. of Senator William Bingham, of Philadelphia USA


1. Lord John Alexander Thynne, later 4th Marquess of Bath

2. Rt Hon Lord Henry Frederick Thynne, Member of Parliament for South Wiltshire 1859-85, Treasurer of the Household 1875-80 (b. 2 Aug 1832;  d. 28 Jan 1904), mar. 1 Jun 1858 Lady Ulrica Frederica Jane St Maur (d. 26 Jan 1916), 2nd dau. and cohrss. of Edward Adolphus [Seymour later St Maur], 12th Duke of Somerset, and had issue

1. Lady Louisa Isabella Harriet Thynne (d. 26 Jun 1919), mar. 29 Apr 1862 Gen Hon Sir Percy Robert Basil Feilding KCB, of Broome Park, Betchworth, co. Surrey (d. 9 Jan 1904), 2nd son of William Basil Percy [Feilding], 7th Earl of Denbigh, and had issue

2. Lady Alice Thynne (d. 1847)


24 Jan 1837

suc. by



Capt RN 1822; Member of Parliament (Tory) for Weobley 1824-26 and 1828-32


John Alexander [Thynne], 4th Marquess of Bath


1 Mar 1831


20 Aug 1861 Hon Frances Isabella Catherine Vesey (b. 26 May 1840; d. 31 Oct 1915), 1st dau. of Thomas [Vesey], 3rd Viscount de Vesci, by his wife Emma, 5th dau. by his second wife of George Augustus [Herbert], 11th Earl of Pembroke


1. Lord Thomas Henry Thynne, later 5th Marquess of Bath

2. Lt Lord John Boteville Thynne (b. 27 May 1867; d. 19 May 1887)

3. Maj Lord Alexander George Thynne DSO,  of Norton Hall, Daventry, Member of Parliament for Bath 1910-18 (b. 17 Feb 1873;  d. 16 Sep 1918)

1. Lady Alice Emma Thynne CBE (dsp. 26 Jan 1942), mar. 14 Nov 1883 Sir Michael Hugh Shaw-Stuart, 8th Bt., KCB MP (dsp. 29 Jun 1942)

2. Lady Katherine Georgina Louisa Thynne (d. 4 Mar 1933), mar. 22 Oct 1901 as his second wife Evelyn [Baring], 1st Earl of Cromer, and had issue

3. Lady Beatrice Thynne (b. 27 May 1867;  d. 5 Dec 1941)


20 Apr 1896

suc. by



Trustee of the National Portrait Gallery 1874-93; Trustee of the British Museum 1883-96; Lord Lieutenant of Wiltshire 1889-96


Thomas Henry [Thynne], 5th Marquess of Bath, KG CB


15 Jul 1862


19 Apr 1890 Violet Caroline Mordaunt (d. 29 May 1928), only child of Sir Charles Mordaunt, 10th Bt., of Massingham, co. Norfolk, by his first wife Harriet Sarah Moncreiffe, 4th dau. of Sir Thomas Moncreiffe of Moncreiffe, 7th Bt.


1.2nd Lt Lord John Alexander Thynne, styled Viscount Weymouth (b. 29 Nov 1895;  d. 13 Feb 1916)

2. Lord Henry Frederick Thynne, later 6th Marquess of Bath

1. Lady (Alice) Kathleen Violet Thynne (b. 27 Mar 1891;  d. 4 Oct 1977), mar. 8 Jul 1919 Lt Col Hon Oliver Hugh Stanley DSO JP DL (b. 23 Oct 1879;  d. 13 Feb 1952), 3rd son of Edward Lyulph [Stanley], 4th Baron Stanley of Alderley, by his wife Mary Katharine Bell, dau. of Sir (Isaac) Lothian Bell, 1st Bt., of Rounton Grange, co. York, and Washington Hall, co. Durham, and had issue

2. Lady Emma Margery Thynne OBE (b. 5 Jul 1893;  d. 1982), mar. 15 Oct 1921 (div. 1942) as his first wife William Bingham [Compton],  6th Marquess of Northampton

3. Lady Mary Beatrice Thynne, Lady of the Bedchamber to HM The Queen 1937-47 (b. 6 May 1903;  d. 11 Dec 1974), mar. (1) 24 Nov 1927 (div. 1947) as his first wife Charles John [Wilson], 3rd Baron Nunburnholme, and (2) 27 Nov 1947 Rt Hon Sir (James) Ulick Francis Canning Alexander GCB GCVO OBE (d. 4 Apr 1973), 1st son of James Dalison Alexander, of Oakbank, Sevenoaks, co. Kent, and had issue by her first husband


9 Jun 1946

suc. by



Member of Parliament (Conservative) for Frome 1886-92 and 1895-96; Under Secretary of State for India 1905; Lord Lieutenant of Somerset; Knight of the Garter 1917; Privy Councillor 1922; Master of the Horse 1922-23; Pro-Chancellor of the University of Bristol 1937; KJStJ


Henry Frederick [Thynne], 6th Marquess of Bath


26 Jan 1905

mar. (1)

27 Oct 1927 (div. 1953) Hon Daphne Winifred Louise Vivian (b. 11 Jul 1904; mar. (2) 11 Jul 1953 (div. 1978)Maj Alexander Wallace Fielding DSO, son of Alexander Lumsden Wallace, of Kirkcaldy;  d. 5 Dec 1997), 1st dau. of George Crespigny Brabazon [Vivian], 4th Baron Vivian, by his first wife Barbara Fanning, dau. of William Atmar Fanning

children by first wife:

1. Hon Thomas Timothy Thynne (b. 13 Oct 1929;  dvp. 14 Sep 1930)

2. Lord Alexander George Thynne later Thynn, later 7th Marquess of Bath

3. Lord Christopher John Thynne, of Britmore House, Donhead St Andrew, co. Dorset (b. 9 Apr 1934; d. 27 Jan 2017), mar. 6 Jun 1968 Antonia Mary Palmer, only dau. of Maj Sir Anthony Frederick Mark Palmer, 4th Bt., and had issue

4. Lord Valentine Charles Thynne (b. 3 Nov 1937;  d. 7 Jul 1979), mar. (1) 22 Mar 1961 (div. 1971) Veronica Ann Jacks, only dau. of Col G E Jacks, (2) 1971 (div. 1976) Suzanne Caroline Moore, former wife of Christopher Hodgson Moore and dau. of Edgar Alder, and (3) 17 Aug 1977 Liese Maria Weschke (d. Sep 2005), former wife of Karl Martin Weschke and dau. of Kenneth William Dennis, of Bristol, and had issue by his first wife

1. Lady Caroline Jane Thynne (b. 28 Aug 1928;  d. 22 Apr 1995), mar. 5 Jul 1950 as his first wife David Robert [Somerset], 11th Duke of Beaufort, and had issue

mar. (2)

15 Jul 1953 Virginia Penelope Tennant (former wife of Hon David Pax Tennant, 3rd son of Edward Priaulx [Tennant], 1st Baron Glenconner;  d. 18 Sep 2003), dau. of Alan Leonard Romaine Parsons, of The Baas, Broxbourne, co. Hertford, by his wife Viola Tree, dau. of Sir Herbert Beerbohm Tree

only child by second wife:

2. Lady Silvy Cerne Thynne (b. 22 Dec 1958), mar. 1989 Iain McQuiston, and has issue


30 Jun 1992

suc by

son by first wife


Member of Parliament (Conservative) for Frome 1931-35; Member, Duchy of Cornwall Council 1933-36


Alexander George [Thynne later Thynn], 7th Marquess of Bath


6 May 1932


9 May 1969 Anna Gael Gyarmathy, dau. of Laszlo Izsak Gyarmathy, of Los Angeles, California, USA


1. Lord Ceawlin Henry Laszlo Thynn, styled Viscount Weymouth (b. 6 Jun 1974), mar. 8 Jun 2013 Emma Clare A  McQuiston (b. 26 Mar 1986), dau. of Ladi Jadesomo by his wife Eileen Patience Pike later Mrs Suzanna Louise McQuiston ,and has issue:

1a. Hon Henry Richard Isaac Thynn (b. 30 Dec 2016)

1. Lady Lenka Abigail Thynn (b. 20 Oct 1969)


 Last updated 5 Mar 2017




7th Marquess of Bath

(Great Britain, let. pat. 18 Aug 1789)

9th Viscount Weymouth

(England, let. pat. 11 Dec 1682)

9th Baron Thynne, of Warminster in the County of Wiltshire

(England, let. pat. 11 Dec 1682)

10th Baronet, styled "of Caus Castle"

(England, let. pat. 15 Jun 1641)



Longleat House, Warminster, Wiltshire BA12 7NN

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