b. = born
bap. = baptised
c. = christened
c/m = marriage contract
d. = died
d. vita patris = died in the father's lifetime
dsp = (decessit sine prole) died without issue
m. = married
Sir Robert Mylne, 1st of Barnton and Tulliallan, was Provost of Linlithgow and several times Commissioner to Parliament for that Burgh, and was appointed Principal Taxman of H.M. Customs. Amassing a considerable fortune through those endeavours, he purchased extensive lands including those of Tulliallan for which he had a confirmation under the Great Seal on 1 November 1680; then those of Barton which were also confirmed to him under the Great Seal on 22 June 1681, followed by Blackburn which were confirmed under the Great Seal on 24 of that same month, and was created a Baronet by Patent dated at Whitehall on 19 March 1686 with remainder to his heirs male whatsoever. He m. on 16 November 1673, to Jean Elphinstone and was father of,
- Sir Charles Mylne, 2nd Baronet, (see below).
- Alexander Mylne, b. on 12 July 1680.
- Andrew Mylne, bap. at Edinburgh, on 27 January 1690.
- Ann Mylne, bap. at South Leith, on 18 September 1681, and to whom her nephew, Sir John Mylne, was served heir general on 15 October 1742.
- Isabel Mylne, bap. at South Leith, on 29 September 1682 and d. unmarried, at Hawthornden, on 15 July 1762.
- Mary Mylne, bap. at Edinburgh, on 11 April 1685.
- Jane Mylne, bap. at Edinburgh, on 7 December 1688.
Sir Charles Mylne, 2nd Baronet of Barnton, succeeded his father and served as a Captain in Colonel Cadogan’s Regiment of Foot. He m. Mary, daughter of Sir William Drummond, 3rd of Hawthornden, and d. at Hawthornden, on 6 November 1730, being buried in the parish kirk of Lasswade. He was father of,
- Sir John Mylne, 3rd Baronet, (see below).
- Jean Mylne, b. at Edinburgh, on 5 March 1699.
- Cunninghanna Mylne, bap. at Edinburgh, on 3 February 1705.
Sir John Mylne, 3rd Baronet, succeeded his father and served in Lieutenant-General Howard’s Regiment, then as a Captain of Invalids. He was appointed Captain of Cowes Castle in 1771 and retired to live with his Drummond relations at Brompton Grove where he dsp on 11 May 1791, in his 90th year.
 OPR – Edinburgh. See also: GD1/51/44.
 Services of Heirs.
 Scots Magazine, 5th July 1762 edition.
 Caledonian Mercury, 9th November 1730 edition.
 Scots Magazine, 1st May 1791 edition.