

| Robert Bertrand | |
| *: | 26 Nov 1870 |
| +: | 4 Mai 1936 |
| Margarethe Dunkel | |
| *: | 14 Dez 1885 |
| Mausbach, (DE) | |
| oo: | 30 Mrz 1917 |
| +: | 27 Sep 1950 |
| Helene Margarethe Schmeets | |
| *: | 12 Jan 1838 |
| Dülken, Viersen, (DE) | |
| Heinrich Albert Bertrand | |
| *: | 3 Jul 1830 |
| Barmen, Jülich, (DE) | |
| oo: | 30 Sep 1861 |
| Dülken, Viersen, (DE) | |