| Male Willem Cornelis Alexander van Beek |
| Birth | 7 Apr 1901 | Rotterdam |
| Death | 10 Oct 1981 | 's-Hertogenbosch |
| Burial | ||
| Marriage | 24 Sep 1925 [1] | Magelang, Java, DEI [1] |
| Divorced | 22 Feb 1938 | Makassar, Celebes, DEI |
| Other Spouse | Johanna Jacoba Henriette DEDEREN | F4399 | |
| Marriage | 24 May 1949 | Medan |
| Father | Cornelis van Beek | F4396 Group Sheet | |
| Mother | Anna Maria van STEENBERGEN | F4396 Group Sheet | |
| Female Zelamire Caroline Martherus |
| Birth | 20 Aug 1903 | Bandoeng, Java, DEI |
| Death | 2 Feb 1997 | Den Haag, Zuid-Holland, The Netherlands |
| Burial | ||
| Other Spouse | Albert Vonk | F4833 | |
| Marriage | 21 Dec 1938 | Palembang, Sumatra, DEI |
| Father | Carel Pieter Martherus | F151 Group Sheet | |
| Mother | Georgette Francoise Wilhelmina van Haeften | F151 Group Sheet | |