Simon Hagenaar and Sientje Pais married in 1925 in Amsterdam. Besides the here mentioned children they had a daughter Roza who died in 1938.
Stadsarchief Amsterdam, archiefkaart Simon Hagenaar
In addition, a Jokos file (number 20843) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.