John Douglas of Broughton
Following the death of his brother William, 2nd Earl of March, in 1731, John Douglas was appointed guardian to his seven-year-old nephew, William, 3rd Earl of March, who was later to become 4th Duke of Queensberry. However, John Douglas of Broughton died, unmarried, the following year.
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "P" (part 1)[self-published source][better source needed]
- "History of Parliament Online". The History of Parliament Trust. Retrieved 31 May 2014.
- "Old Q" By John Robert Robinson
- A History of Peeblesshire by J. W. Buchan and Rev. H. Paton
|Parliament of Great Britain|
|Member of Parliament for Peeblesshire
Sir James Naesmyth, Bt
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