1707- 31 January 1785, Weston, Bath) was in the British Army for 61 years and led the Royal Scots Greys.
[1] He was the son of William Preston and Mary Ramsey of Gorton.
[2] Preston married Lucy, oldest daughter of James Johnston (Secretary of State).
[8] He took over from John Hale and obtained colonelcy of the 17th Light Dragoons on 2 November 1770.
[9] He became Col of the Royal Scots Greys (2nd Dragoons) between 18 Apr 1782 - 3 Feb 1785.