Joseph Dwinger and Kaatje Cohen had four children. On 26 April 1904 their son Simon was born. Simon Dwinger didn't survive the war, the other three children did.
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Joseph Dwinger had a photography shop on the Grachtswal in Leeuwarden. He was known throughout Friesland as a school photographer. He was married to Kaatje Dwinger-Cohen.
S. de Jong, Joods leven in de…