John Campbell, 4th Duke of Argyll
General John Campbell, 4th Duke of Argyll KT PC (c. 1693 – 9 November 1770), was a Scottish Whig politician in the 17th and 18th centuries.
The Duke was the son of Hon. John Campbell of Mamore, the second son of Archibald Campbell, 9th Earl of Argyll, and Elizabeth Elphinstone, daughter of John, 8th Lord Elphinstone.
In 1720 Campbell married Mary Drummond Ker, daughter of John Drummond Ker, 2nd Lord Bellenden of Broughton. They had the following children:
Campbell joined the army at a young age, becoming a Lieutenant Colonel at the age of nineteen. However, he soon entered the world of politics, becoming Member of Parliament (MP) for Buteshire (1713–1715), Elgin Burghs (1715–1722 and 1725–1727), and finally Dunbartonshire (1727–1761). During most of his tenure as MP for Dunbartonshire, he was Groom of the Bedchamber.
Additionally, he served in the military during his tenure in Parliament—he became Colonel of the 39th Regiment of Foot (1737–1738) and the 21st Regiment of Foot (1738–1752), serving with honour in the Battle of Dettingen in 1741.
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