| Male Hendrik Cornelis van der Helden |
| Female Judig van Woerkom |
| Birth | 11 Oct 1886 | Bergen Op Zoom, North Brabant, The Netherlands |
| Death | 09 Oct 1966 | Vlaardingen, Zuid-Holland, The Netherlands |
| Burial | ||
| Father | ||
| Mother | ||
| Female Roberta Hermina van der Helden |
| Birth | 10 May 1915 | Duisburg, Germany |
| Death | 16 Jul 2001 | Haarlem, Noord Holland, The Netherlands |
| Burial | ||
| Spouse | Martinus Los | F6578 | |
| Marriage | 17 Jun 1942 | Voorschoten, Zuid-Holland, The Netherlands |