| Hendrik Cornelis Los |
| Hendrik Cornelis Los | |
| B: | 27 Apr 1944 |
| Voorschoten, Zuid-Holland, The Netherlands | |
| D: | 18 Feb 1978 |
| Loosdrecht, Noord-Holland, The Netherlands | |
| Roberta Hermina van der Helden |
| Roberta Hermina van der Helden | |
| B: | 10 May 1915 |
| Duisburg, Germany | |
| D: | 16 Jul 2001 |
| Haarlem, Noord Holland, The Netherlands | |
| Martinus Los |
| Martinus Los | |
| B: | 06 Feb 1914 |
| Leiden | |
| M: | 17 Jun 1942 |
| Voorschoten, Zuid-Holland, The Netherlands | |
| D: | 16 Oct 1982 |
| Haarlem, Noord Holland, The Netherlands | |
| Judig van Woerkom |
| Judig van Woerkom | |
| B: | 11 Oct 1886 |
| Bergen Op Zoom, North Brabant, The Netherlands | |
| D: | 09 Oct 1966 |
| Vlaardingen, Zuid-Holland, The Netherlands | |
| Hendrik Cornelis van der Helden |
| Hendrik Cornelis van der Helden | |
| B: | 6 Aug 18833 |
| Heerewaarden, Gelderland, The Netherlands | |
| M: | 21 Apr 1910 |
| Heerewaarden, Gelderland, The Netherlands | |
| D: | 22 Sp 1956 |
| Vlaardingen, Zuid-Holland, The Netherlands | |