Alexander Zwaap and Margaretha Polak with (grand)children on the 24th July of 1927. In the hole (from the left to the right): Alexander, Hartog Salomon Hamburger, Simon Zwaap. There behind(from the left to the right): Anna Zwaap, Margaretha Polak, Sara Manheim, Hermanus Zwaap and Alexander Zwaap.
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