1886-1892
| Gerard Jan Beckmann | |
| G: | 1886 |
| Rotterdam | |
| O: | 1892 |
| Rotterdam | |
1950-1994
| Heddy Hulda Jane Tichelman | |
| G: | 1950 |
| Overveen | |
| O: | 1994 |
| Overveen | |
1913-2005
| Maria Hedwig Beckmann | |
| G: | 1913 |
| Gennep, Limburg | |
| O: | 2005 |
| Bloemendaal (Overveen) | |
1893-1962
| Gerard Louwrens Tichelman | |
| G: | 1893 |
| Palembang, Nederlands Indi | |
| H: | 1945 |
| Bloemendaal | |
| O: | 1962 |
| Haarlem | |
1887-1931
| Cort Heinrich Ditrich Beckmann | |
| G: | 1887 |
| Rotterdam | |
| O: | 1931 |
| 's-Gravenhage | |
1886-1931
| Hedwig Voorhoeve | |
| G: | 1886 |
| Rotterdam | |
| O: | 1931 |
1888-
| Jan Hendrik Beckmann | |
| G: | 1888 |
| Rotterdam | |
|
1846-1892
| Antonia Maria Tichelman | |
| G: | 1846 |
| Medemblik | |
| O: | 1892 |
| Rotterdam | |
1843-1893
| Jan Hendrik Beckmann | |
| G: | 1843 |
| Rotterdam | |
| H: | 1884 |
| Den Helder | |
| O: | 1893 |
| Rotterdam | |