Walter Chidiock Nangle1
- [S37] BP2003 volume 2, page 1512. See link for full details for this source. Hereinafter cited as. [S37]
Rt. Hon. James Alexander Stewart-Mackenzie1 
Rt. Hon. James Alexander Stewart-Mackenzie was born on 23 September 1784.3 He was the son of Admiral Hon. Keith Stewart and Georgiana Isabella d‘Aguilar.3 He was baptised on 18 October 1784.4 He married Hon. Mary Frederica Elizabeth Mackenzie, daughter of Lt.-Gen. Francis Humberston Mackenzie, 1st and last Lord Seaforth, Baron Mackenzie of Kintail and Mary Proby, on 21 May 1817.1 He died on 24 September 1843 at age 59.3
He was given the name of James Alexander Stewart at birth.1 In 1817 his name was legally changed to James Alexander Stewart-Mackenzie by Royal Licence.3 He held the office of Governor of Ceylon.1 He held the office of Lord High Commissioner of the Ionian Islands.1 He lived at Glasserton, Wigtownshire, ScotlandG.1 He had another son, who died without issue.3
Children of Rt. Hon. James Alexander Stewart-Mackenzie and Hon. Mary Frederica Elizabeth Mackenzie
- Keith William Stewart-Mackenzie+1 b. 6 May 1818, d. 18 Jun 1881
- Mary Frances Stewart-Mackenzie+3 b. 16 Nov 1819, d. 31 Dec 1913
- Caroline Susan Stewart-Mackenzie3 b. 9 Jul 1822, d. 1867
- George Augustus Frederick Wellington Stewart-Mackenzie3 b. 21 Nov 1824, d. 15 Jul 1852
- Louisa Caroline Mackenzie+5 b. 5 May 1827, d. 2 Feb 1903
- [S37] BP2003 volume 1, page 978. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S37] BP2003. [S37]
- [S2156] Jennifer Browne, “re: Browne Family,” e-mail message to BENR, 18 February 2007. Hereinafter cited as “re: Browne Family.”
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 277. Hereinafter cited as The Complete Peerage.
Hon. Mary Frederica Elizabeth Mackenzie1 
by Thomas Lawrence 2
Hon. Mary Frederica Elizabeth Mackenzie was born on 27 March 1783.3 She was the daughter of Lt.-Gen. Francis Humberston Mackenzie, 1st and last Lord Seaforth, Baron Mackenzie of Kintail and Mary Proby.1,3 She married, firstly, Vice-Admiral Sir Samuel Hood, 1st Bt., son of Samuel Hood and Anne Bere, on 6 November 1804 at St. Michael, Barbados.3,4 She married, secondly, Rt. Hon. James Alexander Stewart-Mackenzie, son of Admiral Hon. Keith Stewart and Georgiana Isabella d‘Aguilar, on 21 May 1817.3 She died on 28 November 1862 at age 79.3
From 6 November 1804, her married name became Hood.3 From 22 May 1817, her married name became Stewart-Mackenzie.
Children of Hon. Mary Frederica Elizabeth Mackenzie and Rt. Hon. James Alexander Stewart-Mackenzie
- Keith William Stewart-Mackenzie+3 b. 6 May 1818, d. 18 Jun 1881
- Mary Frances Stewart-Mackenzie+5 b. 16 Nov 1819, d. 31 Dec 1913
- Caroline Susan Stewart-Mackenzie5 b. 9 Jul 1822, d. 1867
- George Augustus Frederick Wellington Stewart-Mackenzie5 b. 21 Nov 1824, d. 15 Jul 1852
- Louisa Caroline Mackenzie+1 b. 5 May 1827, d. 2 Feb 1903
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 277. Hereinafter cited as The Complete Peerage.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S37] BP2003 volume 1, page 978. See link for full details for this source. Hereinafter cited as. [S37]
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
- [S37] BP2003. [S37]
Lt.-Gen. Francis Humberston Mackenzie, 1st and last Lord Seaforth, Baron Mackenzie of Kintail1 
Lt.-Gen. Francis Humberston Mackenzie, 1st and last Lord Seaforth, Baron Mackenzie of Kintail was born on 9 June 1754.1 He was the son of Major William Mackenzie and Mary Humberston.1 He married Mary Proby, daughter of Very Rev. Baptist Proby and Mary Russell, on 22 April 1782.1 He died on 11 January 1815 at age 60, without surviving male issue.1
He held the office of Member of Parliament (M.P.) for Ross-shire between 1784 and 1790.1 He was Lieutenant-Colonel of the 78th Foot (Ross-shire Buffs) between 1793 and 1796.1 He held the office of Member of Parliament (M.P.) for Ross-shire between 1794 and 1796.1 He held the office of Lord-Lieutenant of Ross-shire between 1794 and 1815.1 He was created 1st Lord Seaforth, Baron Mackenzie of Kintail, co. Ross [Great Britain] on 26 October 1797.1 He gained the rank of Colonel in 1798 in the 2nd North British Militia.1 He held the office of Governor of Barbados between 1800 and 1806.1 He gained the rank of Major-General in 1802.1 He gained the rank of Lieutenant-General in 1808.1
On his death, his titles (including Jacobite ones) became extinct.1
Children of Lt.-Gen. Francis Humberston Mackenzie, 1st and last Lord Seaforth, Baron Mackenzie of Kintail and Mary Proby
- William Frederick Mackenzie1 d. b 1815
- George Leveson Boucherat Mackenzie1 d. b 1815
- Hon. William Frederick Mackenzie1 d. 25 Aug 1814
- Hon. Francis John Mackenzie1 d. 1813
- Hon. Mary Frederica Elizabeth Mackenzie+3 b. 27 Mar 1783, d. 28 Nov 1862
- unknown daughter Mackenzie1 b. a 1784
- unknown daughter Mackenzie1 b. a 1784
- unknown daughter Mackenzie1 b. a 1784
- unknown daughter Mackenzie1 b. a 1784
- unknown daughter Mackenzie1 b. a 1784
- [S37] BP2003 volume 1, page 978. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 277. Hereinafter cited as The Complete Peerage.
Admiral Hon. Keith Stewart1 
Admiral Hon. Keith Stewart was born in 1739.1 He was the son of Alexander Stewart, 6th Earl of Galloway and Lady Catherine Cochrane.1 He married Georgiana Isabella d‘Aguilar, daughter of Baron Ephraim López Pereira d‘Aguilar and Sarah Mendez da Costa, on 13 May 1782 at St. Mary, St. Marylebone, London, England.1,3 He died on 5 May 1795.1
He gained the rank of Admiral in the Royal Navy.4 He lived at Glasserton, Wigtownshire, ScotlandG.1
Children of Admiral Hon. Keith Stewart and Georgiana Isabella d‘Aguilar
- Archibald Keith Stewart3 b. 17 Feb 1783
- Rt. Hon. James Alexander Stewart-Mackenzie+1 b. 23 Sep 1784, d. 24 Sep 1843
- Leveson Douglas Stewart+1 b. 24 Jul 1786, d. 30 Apr 1819
- Edward Charles Stewart3 b. 1792, d. 1807
- [S37] BP2003 volume 2, page 1512. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S2156] Jennifer Browne, “re: Browne Family,” e-mail message to BENR, 18 February 2007. Hereinafter cited as “re: Browne Family.”
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 277. Hereinafter cited as The Complete Peerage.
Georgiana Isabella d’Aguilar1 
Georgiana Isabella d‘Aguilar was born in 1759.3 She was the daughter of Baron Ephraim López Pereira d‘Aguilar and Sarah Mendez da Costa.1,4 She married, firstly, Admiral Hon. Keith Stewart, son of Alexander Stewart, 6th Earl of Galloway and Lady Catherine Cochrane, on 13 May 1782 at St. Mary, St. Marylebone, London, England.1,3 She married, secondly, Lt.-Col. Richard FitzGerald on 16 February 1797.1 She died in 1821.3
From 13 May 1782, her married name became Stewart. From 16 February 1797, her married name became FitzGerald.
Children of Georgiana Isabella d’Aguilar and Admiral Hon. Keith Stewart
- Archibald Keith Stewart3 b. 17 Feb 1783
- Rt. Hon. James Alexander Stewart-Mackenzie+1 b. 23 Sep 1784, d. 24 Sep 1843
- Leveson Douglas Stewart+1 b. 24 Jul 1786, d. 30 Apr 1819
- Edward Charles Stewart3 b. 1792, d. 1807
- [S37] BP2003 volume 2, page 1512. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S2156] Jennifer Browne, “re: Browne Family,” e-mail message to BENR, 18 February 2007. Hereinafter cited as “re: Browne Family.”
- [S592] The Twickenham Museum, online http://http://www.twickenham-museum.org.uk. Hereinafter cited as The Twickenham Museum.
Baron Ephraim López Pereira d’Aguilar1 
He was naturalized as a British citizen in 1759.1 He succeeded as the 2nd Baron d’Aguilar [Holy Roman Empire, 1726] in 1759.1
Children of Baron Ephraim López Pereira d’Aguilar and Sarah Mendez da Costa
- Caroline d‘Aguilar1
- Georgiana Isabella d‘Aguilar+3 b. 1759, d. 1821
- [S592] The Twickenham Museum, online http://http://www.twickenham-museum.org.uk. Hereinafter cited as The Twickenham Museum.
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
- [S37] BP2003 volume 2, page 1512. See link for full details for this source. Hereinafter cited as. [S37]
Lt.-Col. Richard FitzGerald1

He was commissioned in 1795 with the rank of Ensign, in the service of the Colonel Podmore’s Regment.2 He gained the rank of Lieutenant in 1796 in the 34th (Cumberland) Regiment of Foot.2 He gained the rank of Captain in 1797 in the 68th (Durham) Regimetn of Foot.2 He gained the rank of Lieutenant-Colonel in the 2nd Life Guards.1 He gained the rank of Brevet Major in 1812.2 He fought in the Battle of Waterloo on 18 June 1815.1
- [S37] BP2003 volume 2, page 1512. See link for full details for this source. Hereinafter cited as. [S37]
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
William Montagu Hay, 10th Marquess of Tweeddale1 
He was educated at Haileybury College, Haileybury, Hertfordshire, EnglandG.1 He was with the Bengal Civil Service between 1845 and 1862.1 He was District Commissioner of Simla.1 He was Superintendent of the Hill States, North India.1 He held the office of Member of Parliament (M.P.) (Liberal) for Taunton between 1865 and 1868.1 He held the office of Deputy Lieutenant (D.L.) of Berwickshire.1 He held the office of Member of Parliament (M.P.) (Liberal) for Haddington between August 1878 and December 1878.1 He succeeded as the 10th Viscount of Walden [S., 1694] on 29 December 1878.1 He succeeded as the 10th Earl of Gifford [S., 1694] on 29 December 1878.1 He succeeded as the 10th Marquess of Tweeddale [S., 1694] on 29 December 1878.1 He succeeded as the 11th Earl of Tweeddale [S., 1646] on 29 December 1878.1 He succeeded as the 18th Lord Hay of Yester [S., 1488] on 29 December 1878.1 He was created 1st Baron Tweeddale of Yester, co. Haddington [U.K.] on 6 October 1881.1 He was Lord High Commissioner of the Church of Scotland between 1890 and 1892.1 He was Lord High Commissioner of the Church of Scotland between 1896 and 1897.1 He was appointed Knight, Order of the Thistle (K.T.) in 1898.1 He was chairman of the North British Railway Company in 1899.1
Children of William Montagu Hay, 10th Marquess of Tweeddale and Candida Louise Bartolucci
- Lady Susan Elizabeth Clementine Hay+2 b. 9 Aug 1879
- Lady Candida Louisa Hay2 b. 25 Aug 1882
- William George Montagu Hay, 11th Marquess of Tweeddale+2 b. 4 Nov 1884, d. 30 Mar 1967
- Lord Arthur Vincent Hay+2 b. 16 Mar 1886, d. 14 Sep 1914
- Maj.-Gen. Lord Edward Douglas John Hay+2 b. 2 Nov 1888, d. 18 Jun 1944
Candida Louise Bartolucci1 
From 18 May 1878, her married name became Hay. After her marriage, Candida Louise Bartolucci was styled as Marchioness of Tweeddale on 29 December 1878. She was awarded the Order of Merit, Italian Red Cross.1 She was appointed Commander, Order of the British Empire (C.B.E.) in 1920.1
Children of Candida Louise Bartolucci and William Montagu Hay, 10th Marquess of Tweeddale
- Lady Susan Elizabeth Clementine Hay+3 b. 9 Aug 1879
- Lady Candida Louisa Hay3 b. 25 Aug 1882
- William George Montagu Hay, 11th Marquess of Tweeddale+1 b. 4 Nov 1884, d. 30 Mar 1967
- Lord Arthur Vincent Hay+3 b. 16 Mar 1886, d. 14 Sep 1914
- Maj.-Gen. Lord Edward Douglas John Hay+3 b. 2 Nov 1888, d. 18 Jun 1944
- [S37] BP2003 volume 3, page 3964. See link for full details for this source. Hereinafter cited as. [S37]
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
- [S37] BP2003. [S37]
