Jacoba Clara Kamp was the daughter of Sara de Boer. Sara de Boer was previously married to Johannes Hermanus Kamp and was a widow when she married Marcus Werkheim.
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Biography
Jacoba Clara Kamp was the daughter of Sara de Boer. Sara de Boer was previously married to Johannes Hermanus Kamp and was a widow when she married Marcus Werkheim.
Addition of a visitor of the website