1671 - 1756 (85 years)
 | Adam COLQUHOUN Abt 1753- |
| Adam COLQUHOUN | |
| B: | Abt 1753 |
| David COLQUHOUN 1743-1807 |
| David COLQUHOUN | |
| B: | 1743 |
| D: | 1807 |
 | Patrick COLQUHOUN 1745-1820 |
| Patrick COLQUHOUN | |
| B: | 14 Mar 1745 |
| Dumbarton, Dunbartonshire, Scotland | |
| D: | 1820 |
| Adam COLQUHOUN, (E-FTA41789 theory) 1711-1763 |
| Adam COLQUHOUN, (E-FTA41789 theory) | |
| B: | 22 Mar 1711 |
| D: | 11 Mar 1763 |
 | Isobel COLQUHOUN 1714-1778 |
| Isobel COLQUHOUN | |
| B: | 1714 |
| D: | 1778 |
|
| David COLQUHOUN, Magistrate of Dumbarton (E-FT32022 Theory) | |
| B: | 1671 |
| D: | 1756 |
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