Raphael Hekster and Judith Veerman married in 1902 in Amsterdam. They had six children, among whom Simon, Abraham and the here mentioned Nico.
Stadsarchief Amsterdam, archiefkaart Raphael Hekster
In addition, a Jokos file (number 346) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Person is in the National Database of Victims of Persecution