Elizabeth St. Clair1 
After her marriage, Elizabeth St. Clair was styled as Countess of Wemyss circa 5 July 1716. Her married name became Wemyss.
Children of Elizabeth St. Clair and David Wemyss, 4th Earl of Wemyss
- Lady Elizabeth Wemyss+2 d. 20 Feb 1747
- Lady Margaret Wemyss+2 d. 31 Aug 1779
Lady Elizabeth Sutherland1 
Her married name became Wemyss.
Children of Lady Elizabeth Sutherland and Hon. James Wemyss of Wemyss
- Elizabeth Margaret Wemyss+1 d. 19 Jul 1800
- Lt.-Gen. William Wemyss+3 b. 9 Apr 1760, d. 4 Feb 1822
- James Wemyss+3 b. 4 May 1778, d. 22 Aug 1849
Janet Charteris1 
After her marriage, Janet Charteris was styled as Countess of Wemyss on 4 October 1720. From 4 October 1720, her married name became Wemyss.
Children of Janet Charteris and James Wemyss, 5th Earl of Wemyss
- unknown daughter Wemyss1
- David Wemyss, 6th Earl of Wemyss1 b. 30 Jul 1721, d. 29 Apr 1787
- Lady Frances Wemyss+1 b. 7 Nov 1722, d. 29 Jun 1789
- Francis Charteris, 7th Earl of Wemyss+1 b. 21 Oct 1723, d. 24 Aug 1808
- Hon. Walpole Wemyss3 b. 1 Dec 1724, d. 1755
- Hon. James Wemyss of Wemyss+1 b. 23 Feb 1726, d. 10 May 1786
- Lady Anne Wemyss2 b. 30 Oct 1727
- Lady Helen Wemyss4 b. 11 Apr 1729, d. 1 Oct 1812
- [S37] BP2003 volume 3, page 4122. See link for full details for this source. Hereinafter cited as. [S37]
- [S134] Heraldic Media Ltd., online http://www.cracroftspeerage.co.uk/, Patrick Cracoft-Brennan (Cracroft Peerage Database v5.2), downloaded 1 November 2006.
- [S3508] S. Thomson, “email: Kirwan Family,” e-mail message to BENR, 16 January 2009 – 12 February 2010. Hereinafter cited as “email: Kirwan Family.”
- [S37] BP2003. [S37]
David Wemyss, 6th Earl of Wemyss 
by Allan Ramsay, 1742 1
David Wemyss, 6th Earl of Wemyss was born on 30 July 1721. He was the son of James Wemyss, 5th Earl of Wemyss and Janet Charteris.2 He was baptised on 31 July 1721 at Wemyss, Fife, Scotland.3 He married Sofie Frederikke Vilhelmine von Uexkull-Güldenband, daughter of Karl Gustav Friedrich Graf von Uexkull-Güldenband, on 9 September 1776 at Beutal, Switzerland.4 He died on 29 April 1787 at age 65 at Paris, France, without surviving male issue.5
He was educated at Winchester College, Winchester, Hampshire, England.2 He was educated at Academy Angers, Angers, France.2 He was admitted to Royal Company of Archers in 1742.2 He gained the rank of Colonel of Dragoons in February 1743/44, by titular King James III.2 He was Aide-de-Camp to Bonnie Prince Charles before 1745.2 He fought in the Siege of Stirling.2 He fought in the Battle of Prestonpans on 21 September 1745.2 In 1746 he was attainted.2 He fought in the Battle of Falkirk on 17 January 1745/46.2 He fought in the Battle of Culloden on 16 April 1746.2 He gained the rank of Captain in 1752 in the Regiment of FitzJames.2 He gained the rank of Colonel between 1756 and 1763 in the Royal Scots in French Service.2 He succeeded as the 6th Lord Elcho and Methil [S., 1633] on 21 March 1756, de jure.2 He succeeded as the 6th Lord Wemyss of Elcho [S., 1628] on 21 March 1756, de jure.2 He succeeded as the 6th Earl of Wemyss [S., 1633] on 21 March 1756, de jure.2
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S37] BP2003 volume 3, page 4122. See link for full details for this source. Hereinafter cited as. [S37]
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S37] BP2003. [S37]
Francis Charteris, 7th Earl of Wemyss1 
He was given the name of Francis Wemyss at birth.1 On 24 February 1731/32 his name was legally changed to Francis Charteris.1 He was admitted to Royal Company of Archers in 1747.1 In 1771 by Act of Parliament he was allowed to keep the surname and arms of Charteris and the entailed estates of his maternal grandfather in the event of his succeeding to the Earldom of Wemyss or any other dignity, depsite the provisions to the contrary in the entail.1 He succeeded as the 7th Lord Elcho and Methil [S., 1633] on 29 April 1787, de jure.1 He succeeded as the 7th Earl of Wemyss [S., 1633] on 29 April 1787, de jure.1 He succeeded as the 7th Lord Wemyss of Elcho [S., 1628] on 29 April 1787, de jure.1
Children of Francis Charteris, 7th Earl of Wemyss and Lady Catherine Gordon
- Lady Frances Charteris1 d. 1848
- unmarried daughter Charteris1
- unmarried daughter Charteris1
- unmarried daughter Charteris1
- unmarried daughter Charteris1
- Francis Charteris, Lord Elcho+1 b. 31 Jan 1748/49, d. 20 Jan 1808
Hon. James Wemyss of Wemyss1 
He held the office of Member of Parliament (M.P.) for Sutherland.2
Children of Hon. James Wemyss of Wemyss and Lady Elizabeth Sutherland
- Elizabeth Margaret Wemyss+2 d. 19 Jul 1800
- Lt.-Gen. William Wemyss+2 b. 9 Apr 1760, d. 4 Feb 1822
- James Wemyss+2 b. 4 May 1778, d. 22 Aug 1849
Randolph Gordon Erskine-Wemyss of Wemyss1 
He held the office of Deputy Lieutenant (D.L.)2
Children of Randolph Gordon Erskine-Wemyss of Wemyss and Lady Lillian Mary Paulet
- Mary Millicent Erskine-Wemyss2 b. 15 May 1885
- Michael John Erskine Wemyss of that Ilk+2 b. 8 Mar 1888, d. 8 Sep 1982
James Hay Erskine-Wemyss1 
He was given the name of James Hay Wemyss at birth.1 He held the office of Member of Parliament (M.P.) for Fife.1 He held the office of Lord-Lieutenant of Fife.1 He lived at Wemyss Castle, East Wemyss, Fife, Scotland.1
Children of James Hay Erskine-Wemyss and Augusta Millicent Anne Mary Kennedy-Erskine
- Mary Frances Erskine-Wemyss+2
- Dora Mina Erskine-Wemyss+3 b. 6 Feb 1856, d. 24 Dec 1894
- Randolph Gordon Erskine-Wemyss of Wemyss+1 b. 11 Jul 1858, d. 17 Jul 1908
- Hugo Erskine-Wemyss1 b. 31 May 1861, d. 12 Mar 1933
- Admiral Rosslyn Erskine Erskine-Wemyss, 1st and last Baron Wester Wemyss+4 b. 12 Apr 1864, d. 24 May 1933
- [S37] BP2003 volume 3, page 4125. See link for full details for this source. Hereinafter cited as. [S37]
- [S8] BP1999 volume 1, page 77. See link for full details for this source. Hereinafter cited as. [S8]
- [S37] BP2003. [S37]
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 292. Hereinafter cited as The New Extinct Peerage.
Rear-Admiral James Erskine Wemyss of Wemyss1 
He held the office of Member of Parliament (M.P.) between 1820 and 1847.2 He held the office of Lord-Lieutenant of Fife in 1820.2 He gained the rank of Rear-Admiral in the Royal Navy.1 He lived at Wemyss Castle, East Wemyss, Fife, Scotland.2
Children of Rear-Admiral James Erskine Wemyss of Wemyss and Lady Emma Hay
- unknown Wemyss2
- Frances Harriet Wemyss2 b. 1827, d. 14 Dec 1877
- James Hay Erskine-Wemyss+2 b. 29 Aug 1829, d. 29 Mar 1864
Lt.-Gen. William Wemyss 
He gained the rank of Lieutenant-General.1 He lived at Wemyss Castle, Fife, ScotlandG.1
Children of Lt.-Gen. William Wemyss and Frances Erskine
- Rear-Admiral James Erskine Wemyss of Wemyss+1 b. 9 Jul 1789, d. 3 Apr 1854
- Lt.-Gen. William Wemyss+1 b. 5 Sep 1790, d. 30 Nov 1852
- Frances Wemyss+2 b. 16 Sep 1794, d. 30 Sep 1858
