
| John Duff | |
| B: | 1866 |
| D: | 1881 |
| Catherine Duff | |
| B: | 10 Apr 1870 |
| Greenock, Renfrew, Scotland | |
| Agnes Duff | |
| B: | From Apr 1872 to Sep 1872 |
| D: | 20 Apr 1873 |
| Greenock, Renfrew, Scotland | |
| Margaret Henderson Duff | |
| B: | 14 Oct 1874 |
| New Monkland, Lanarkshire, Scotland | |
| George Duff | |
| B: | 1880 |
| D: | 1901 |
|
| James Duff | |
| B: | 2 Jun 1839 |
| Greenock, Renfrewshire, Scotland | |
| Agnes Marshall | |
| B: | CALC 1839 |
| Denny, Stirlingshire, Scotland | |
| M: | 22 Apr 1870 |
| Greenock, Renfrew, Scotland | |