Lucas IJzerman was initialy a cigar maker in Amsterdam. He moved to Maarssen in 1917, where he had a cigar shop and established a sigar factory.
In the 1940's, Lucas IJzerman's health had deteriorated and he was blind.
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Lucas IJzerman and Clara Lap had two children who both survived the war.
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One of them no longer lived in the parental home but was married to a non-Jewish spouse. This family provided several hiding-places in the Utrecht area for the (adult) child who was still …