Jane, Lady Montague

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Jane Margaret Douglas (21 Dec 1779 - 10 Jan 1859) was the daughter of Archibald James Edward Douglas, 3rd Marquess of Douglas(1) and Lucy Graham, daughter of William Graham, 2nd Duke of Montrose.  Her paternal grandparents were Sir John Stewart, 3rd of Grandtully(2) and Jane Douglas, a sister of the Duke of Douglas. It is she who is called Lady Jean Douglas in the portrait caption.


The 3rd Marquess was to have 12 children by his two wives.  Yet only one, Jane, gave him grandchildren.  She married Lord Montague(3), son of the Duke of Buccleuch. By 1837, all he siblings had died off, and so she inherited the Douglas estates.


However, Jane was to have no sons, but four daughters, and so the Douglas estates did not remain with the House of Buccleuch, but went to the eldest daughter who had married the Earl of Home.

1.  He was given the name of Archibald James Edward Stewart at birth. On 9 September 1761 his name was legally changed to Archibald James Edward Douglas only being served heir of entail to his uncle, the 3rd Marquess of Douglas. In July 1767 the Court of Session decided he was not the rightful heir to the Douglas estates. On 27 February 1769 the House of Lords reversed this decision, deciding that he was the rightful heir to the Douglas estates (the 'Douglas Case/Cause'). The Duke of Hamilton claimed he was the heir on the grounds that Archibald was not the son of his mother (twin sons born to a woman 51 years old being thought unlikely). He was created 1st Baron Douglas of Douglas, co. Lanark [Great Britain] on 8 July 1790.
2.  Sir John was was the son of Sir Thomas Stewart of Balcaskie, 1st Bt. and Lady Jean Mackenzie. He married, firstly, Elizabeth Mackenzie, daughter of Sir James Mackenzie of Roystoun, 1st Bt. and Elizabeth Mackenzie, on 13 January 1725. He married, secondly, Lady Jane Douglas, daughter of James Douglas, 2nd Marquess of Douglas and Lady Mary Kerr, on 4 August 1746 in a secret marriage. He married, thirdly, Hon. Helen Murray, daughter of Alexander Murray, 4th Lord Elibank and Elizabeth Stirling, on 12 September 1761. He died on 14 June 1764 at age 76.
3.  Henry James Montagu-Scott, 2nd Baron Montagu of Boughton was born on 16 December 1776. He was the son of Henry Scott, 3rd Duke of Buccleuch and Lady Elizabeth Montagu. He married Hon. Jane Margaret Douglas, daughter of Archibald James Edward Douglas, 1st Baron Douglas of Douglas and Lady Lucy Graham, on 22 November 1804. He died on 30 October 1845 at age 68.
He succeeded as the 2nd Baron Montagu of Boughton [G.B., 1786] on 23 May 1790.

See also:
•  The Douglas Cause



Sources for this article include:
  • The romance of the great Douglas cause. By Percy Fitzgerald
  • Thepeerage.com

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    Last modified: Friday, 17 May 2024