Peerage Record – 11804

     Erryl Pyers Mostyn was born on 11 March 2004.¹ He is the son of David Wallace Mostyn and Kathleen Anne Hill.¹

     Stephanie Anne Highcock married Peter Llewellyn Mostyn, son of David Pyers Mostyn and Susan Wallace Johnson, on 24 July 2004.²
     From 24 July 2004, her married name became Mostyn.²

     Richard Atkins-Bowyer was born after 1740. He was the son of Sir William Bowyer, 3rd Bt. and Anne Stonhouse.^2,3 He married Elizabeth Brady, daughter of C. Brady, on 3 February 1773.¹ He died on 21 November 1820.¹
     He was given the name of Richard Bowyer at birth.¹ His name was legally changed to Richard Atkins-Bowyer under the terms of the will of Sir Richard Atkins, Bt.³ He lived at Clapham, Surrey, England^G.¹

     Mary Anne Master was born circa 1778.¹ She was the daughter of Thomas Master and Mary Dutton.¹ She married John Thynne, 3rd Baron Carteret of Hawnes, son of Thomas Thynne, 1st Marquess of Bath and Lady Elizabeth Cavendish-Bentinck, on 18 June 1801 at St. George’s Church, St. George Street, Hanover Square, London, England^G.¹ She died on 22 February 1863 at 13 Chesterfield Street, Mayfair, London, England^G.¹ Her will was proven (by probate) on 25 March 1863, at under £9,000.¹
     From 18 June 1801, her married name became Thynne.¹ After her marriage, Mary Anne Master was styled as Baroness Carteret of Hawnes on 19 February 1838. She held the office of Lady of the Bedchamber to HRH the Princess Sophia.¹

     John Thynne, 3rd Baron Carteret of Hawnes was born on 28 December 1772.¹ He was the son of Thomas Thynne, 1st Marquess of Bath and Lady Elizabeth Cavendish-Bentinck.¹ He married Mary Anne Master, daughter of Thomas Master and Mary Dutton, on 18 June 1801 at St. George’s Church, St. George Street, Hanover Square, London, England^G.¹ He died on 10 March 1849 at age 76 at Hawnes Place^G, without issue.¹
     He graduated from St. John’s College, Cambridge University, Cambridge, Cambridgeshire, England^G, in 1794 with a Master of Arts (M.A.)¹ He held the office of Member of Parliament (M.P.) (Tory) for Weobley between May 1796 and December 1796.¹ He held the office of Member of Parliament (M.P.) (Tory) for Bath between December 1796 and 1832.¹ He held the office of Vice-Chamberlain of the Household between 1804 and 1812.¹ He was appointed Privy Counsellor (P.C.) on 11 July 1804.¹ He succeeded as the 3rd Baron Carteret of Hawnes, co. Bedford [G.B., 1784] on 19 February 1838.¹
     On his death, the Barony of Carteret of Hawnes became extinct.¹

     Thomas Master married Mary Dutton, daughter of James Lenox Dutton and Jane Bond.²
     He lived at Cirencester Abbey, Gloucestershire, England^G.¹

     Mary Dutton was the daughter of James Lenox Dutton and Jane Bond.^1,2 She married Thomas Master.² She died in July 1819.²
     Her married name became Master.²

     Henry Boteville Thynne was born on 14 April 1860.¹ He was the son of Rt. Hon. Lord Henry Frederick Thynne and Lady Ulrica Frederica Jane St. Maur.¹ He died on 8 May 1887 at age 27, unmarried.¹

     John Alexander Roger Thynne was born on 1 September 1863.¹ He was the son of Rt. Hon. Lord Henry Frederick Thynne and Lady Ulrica Frederica Jane St. Maur.¹ He died on 10 April 1914 at age 50, unmarried.¹

     Colonel Ulric Oliver Thynne was born on 6 July 1871.¹ He was the son of Rt. Hon. Lord Henry Frederick Thynne and Lady Ulrica Frederica Jane St. Maur.¹ He married, firstly, Marjory Wormald, daughter of Edward Wormald, on 16 May 1899.¹ He married Elspeth Stiven Tullis, daughter of David Tullis, on 19 December 1951.² He died on 30 September 1957 at age 86.²
     He was educated at Charterhouse School, Godalming, Surrey, England^G.¹ He was educated at Royal Military College, Sandhurst, Berkshire, England^G.¹ He gained the rank of Lieutenant in the King’s Royal Rifle Corps.¹ He fought in the Chitral Campaign in 1895.¹ He fought in the Boer War in 1900, where he was mentioned in despatches.¹ He was awarded the Distinguished Service Order (D.S.O.) in 1900.¹ He fought in the First World War, where he was again mentioned in despatches.¹ He was awarded the Territorial Decoration (T.D.)¹ He was appointed Companion, Order of St. Michael and St. George (C.M.G.) in 1918.¹ He was Colonel of the Royal Wiltshire Yeomanry.¹ He gained the rank of Honorary Colonel in 1938 in the Royal Wiltshire Yeomanry.¹ He was appointed Commander, Royal Victorian Order (C.V.O.) in 1946.¹