Bertha Zilversmit was married to Hartog Hedeman. Her husband, born around 1852 in the village of Ootmarsum as the son of Raphael Hedeman and Debora van Rhijn, died in 1928. They had a daughter Debora Julia. Debora Julia Hedeman worked as an operator at the post office on the Marktstraat in Ootmarsum.
B. Morshuis, De geschiedenis van de joden in Ootmarsum (sl 1996) 45, 75
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