| Paul Arnold Jacques de Smeth |
| Paul Arnold Jacques de Smeth | |
| G: | 1917 |
| O: | 1993 |
| Theodore de Smeth |
| Theodore de Smeth | |
| G: | 1919 |
| O: | 1988 |
|
| Ada Wilhelmina Sandberg |
| Ada Wilhelmina Sandberg | |
| G: | ca. 1888 |
| Harderwijk | |
| O: | Ja, datum echter onbekend |
| Ferdinand François de Smeth |
| Ferdinand François de Smeth | |
| G: | 1887 |
| Den Haag | |
| H: | 4 feb 1913 |
| Diepenveen | |
| O: | 1939 |