unknown Johnston of Elphinstone1
Child of unknown Johnston of Elphinstone
Janet Johnston1
From 1606, her married name became Hamilton.
Child of Janet Johnston and Robert Hamilton
Sir Thomas Hamilton of Fingalton and Preston1 
Children of Sir Thomas Hamilton of Fingalton and Preston and Anne Hamilton
- Sir William Hamilton of Preston, 1st Bt.+2 b. c 1645, d. c 1690
- Sir Robert Hamilton of Preston, 2nd Bt.2 b. 1650, d. 1701
Margaret Murray1
Her married name became Hamilton.
- [S37] BP2003 volume 3, page 3748. See link for full details for this source. Hereinafter cited as. [S37]
Sir William Hamilton of Preston, 1st Bt.1 
He was created 1st Baronet Hamilton, of Preston, co. Haddington [Nova Scotia] on 5 November 1673, with special remainder to heris male whatsoever.1 He sold his estates to his daughter’s father-in-law Sir James Oswald in 1681 to Sir James Oswald.1 He emigrated to The Netherlands.1
Children of Sir William Hamilton of Preston, 1st Bt. and Rachel Nicolson
James Buchanan1
He was a farmer at Drutamon, County Cavan, Ireland.1
- [S3162] Phillip Lundy, “James Lundy details,” e-mail message to British and European Nobility Register, 15 September 2003 – 7 December 2008. Hereinafter cited as “James Lundy details.”
Rachel Nicolson1
From 1670, her married name became Hamilton.
Children of Rachel Nicolson and Sir William Hamilton of Preston, 1st Bt.
Rachel Hamilton1 
Anne Hamilton1
From 1697, her married name became Oswald.1 From 1705, her married name became Burnet.1
Sir James Oswald1
Child of Sir James Oswald
