Robert Hans Halle (left) and Jacobus Louis Halle (right) with their mother Johanna Hendrika Halle-Allemans Hartog

Robert Hans Halle (left) and Jacobus Louis Halle (right) with their mother Johanna Hendrika Halle-Allemans Hartog

Source: private collection M.J. van der Velden-Graeff
By: Redactie Joods Monument
With: Robert Hans Halle, Jacobus Louis Halle, Johanna Hendrika Halle-Allemans Hartog
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