| Anthonetta Catharina Beckmann | |
| G: | 1868 |
| Rotterdam | |
| Cort Heinrich Dieterich Beckmann | |
| G: | 1869 |
| Rotterdam | |
| Johanna Hendrika Gozina Beckmann | |
| G: | 1872 |
| Rotterdam | |
1874-
| Johanna Gozina Beckmann | |
| G: | 1874 |
| Rotterdam | |
| Catharina Petronella Beckmann | |
| G: | 1876 |
| Rotterdam | |
| Johannes Hendrik Beckmann | |
| G: | 1877 |
| Rotterdam | |
1844-1884
| Barendina Hendrika Wagteveld | |
| G: | 1844 |
| Tiel | |
| O: | 1884 |
1843-1893
| Jan Hendrik Beckmann | |
| G: | 1843 |
| Rotterdam | |
| H: | 1867 |
| Rotterdam | |
| O: | 1893 |
| Rotterdam | |