Hartog Frank was head cantor and religious teatcher at the Jewish community of Leeuwarden. He had four daughters: Sara, Grietje, Esther and Johanna. The youngest daughter still lived with her parents.
Addition of a visitor of the website .
In addition, a Jokos file (number 55016) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.