Simon Ortje was the son of Josua Ortje and Klaartje Lijmer. He married in 1894 to Schoontje Soester, daughter of Nathan Isaac Soester and Roosje Jacob Veltijn. They had one child, that survived the war.
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In addition, a Jokos file (number 33920) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
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