The latter's son Henry (1746-1812) became 3rd duke, and in 1810 succeeded also, on the death of William Douglas, 4th duke of Queensberry, to that dukedom as well as its estates and other honours, according to the entail executed by his own great-grandfather, the 2nd duke of Queensberry, in 1706; he married the duke of Montagu's daughter, and was famous for his generosity and benefactions.
He was tutor to the son of the first duke of Queensberry, through whose influence he was appointed professor of civil law in the university of Edinburgh.
Amesbury Abbey, a beautiful house built by Inigo Jones for the dukes of Queensberry, stands close to the village, in a park watered by the river Avon, here famous for its trout.
The third earl of Tweeddale (1645-1713) sold it to the duke of Queensberry in 1686.
Here begins the fourth period (1680-1688), the domination of the duke, Queensberry, Perth, and his brother, Drummond of Lundin (earl of Melfort).