| Name | Jacoba de Graaf | |
| Birth | 27 Aug 1882 | Alkmaar, North Holland, The Netherlands |
| Gender | Female | |
| Death | 20 Mar 1966 | Voorschoten, Zuid-Holland, The Netherlands |
| Person ID | I11669 | Martherus |
| Last Modified | 8 Oct 2010 | |
| Family | Leendert Johannes Los, b. 21 Aug 1879, Leiderdorp, Zuid Holland, The Netherlands d. 16 Feb 1966, Voorschoten, Zuid-Holland, The Netherlands (Age 86 years) | |||
| Marriage | 21 Mar 1912 | Voorschoten, Zuid-Holland, The Netherlands |
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| Family ID | F6579 | Group Sheet | Family Chart | ||
| Last Modified | 8 Oct 2010 | |||