| Johannes Wilhelmus Boersen |
| Johannes Wilhelmus Boersen | |
| G: | 3 jun 1931 |
| Alkmaar | |
| O: | 24 jul 1992 |
| Venray | |
|
| Anthonius Franciscus Boersen |
| Anthonius Franciscus Boersen | |
| G: | 30 jul 1899 |
| Oudorp | |
| O: | 3 sep 1978 |
| Alkmaar | |
| Margaretha Wilhelmina van den Broek |
| Margaretha Wilhelmina van den Broek | |
| G: | 27 sep 1905 |
| Den Haag | |
| H: | 18 okt 1928 |
| Alkmaar | |
| O: | 25 apr 1987 |
| Alkmaar | |