From this marriage, he had a younger half-brother, Lord Douglas Gordon (who married Louisa Leslie).

Among his mother's siblings were John Stewart, 7th Earl of Galloway (who married Lady Charlotte Mary Greville, and Anne Dashwood);[3] Hon.

George Stewart (a Lieutenant who died at Fort Ticonderoga during the French and Indian War);[4] Hon.

On 11 August 1815, he was created Baron Meldrum, of Morven in the County of Aberdeen in the Peerage of the United Kingdom.

[11] Huntly was also Colonel of the Aberdeen Mititia and served as aide-de-camp to King William IV from 1830 to 1837 and to Queen Victoria from 1837 to 1853.