Moritz Kaufmann and Chawa Dawidowna Jankelowna Melamed had three children, among whom David. The other two children survived the war.
For further information see: H.E. Dominicus, Mauthausen. Een gedenkboek (2e herziene en uitgebreide druk; Amsterdam 1999) 80.
In addition, a Jokos file (number 3344) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.