Tracing Douglas family roots - unraveling history, one generation at a time.

| Houston Stewart-Nicholson | |
| D: | 1785 |
![]() | Sir John (4th Bt of Blackhall) Shaw-Stewart |
| Sir John (4th Bt of Blackhall) Shaw-Stewart | |
| B: | Abt 1740 |
| D: | 1812 |
![]() | Helen Houston |
| Helen Houston | |
| D: | 19 Jul 1746 |
![]() | Sir Michael (3rd Bt of Blackhall) Stewart |
| Sir Michael (3rd Bt of Blackhall) Stewart | |
| B: | Bef 1739 |
| M: | Jun 1738 |
| D: | 20 Oct 1796 |
| Sir John (4th Bt of Houstoun) Houston | |
| D: | 27 Jul 1751 |
| Dsp | |
| Sir John (3rd Bt of Houstoun) Houstoun | |
| D: | 11 Feb 1722 |
![]() | Margaret Shaw |
| Margaret Shaw | |
| D: | Yes, date unknown |
|
![]() | Ann (of Melfort) Drummond |
| Ann (of Melfort) Drummond | |
| B: | 3 Mar 1671 |
| D: | Apr 1738 |
| Sir John (2nd Bt of Houstoun) Houstoun | |
| D: | Dec 1717 |
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