| Children |
| | 1. George JOHNSTONE, c. 13 Mar 1761, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 2. James JOHNSTONE, (Surgeon), c. 15 Aug 1762, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 3. William JOHNSTONE, c. 29 Jan 1764, Blairgowrie, Perthshire, Scotland d. 31 Mar 1833, Dundee City, Angus, Scotland (Age ~ 69 years) |
| | 4. Margaret JOHNSTONE, c. 8 Sep 1765, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 5. May JOHNSTONE, c. 26 Jul 1767, Blairgowrie, Perthshire, Scotland d. 3 Oct 1771, Blairgowrie, Perthshire, Scotland (Age ~ 4 years) |
| | 6. Ann JOHNSTONE, c. 11 Oct 1768, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 7. Janet JOHNSTONE, c. 30 Mar 1770, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 8. Jean JOHNSTONE, c. 28 May 1771, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 9. May JOHNSTONE, c. 26 Apr 1772, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 10. Janet JOHNSTONE, c. 18 Jul 1773, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 11. Thomas JOHNSTONE, c. 9 Oct 1774, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
| | 12. Peter JOHNSTONE, c. 1 Sep 1776, Blairgowrie, Perthshire, Scotland d. Sep 1776 (Age ~ 0 years) |
| | 13. Peter JOHNSTONE, c. 1 Nov 1777, Blairgowrie, Perthshire, Scotland d. Yes, date unknown |
|