1. | Jacoba de Graaf was born on 27 Aug 1882 in Alkmaar, North Holland, The Netherlands; died on 20 Mar 1966 in Voorschoten, Zuid-Holland, The Netherlands. Jacoba married Leendert Johannes Los on 21 Mar 1912 in Voorschoten, Zuid-Holland, The Netherlands. Leendert was born on 21 Aug 1879 in Leiderdorp, Zuid Holland, The Netherlands; died on 16 Feb 1966 in Voorschoten, Zuid-Holland, The Netherlands. [Group Sheet] [Family Chart] Children:
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