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Isidore van Witsen
to: Keetje van Embden |
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1) Isaac Jacob (Jacques) van Witsen, birth 28 Sep 1877 Den Haag
Married 12 Aug 1909 Amsterdam to: Rosa Johanna Wilhelmina Blok, birth 25 Jun 1885 Nijmegen, daughter of Samuel Blok and Helena de Winter |