Salomon Delden lived with his wife and child at 5 Reitzstraat (third floor) in Amsterdam. His wife and child survived the war.
The archive of the Stichting Sieraden-Comité contains a certificate of rights of inheritance and succession from 1959.
NIOD, Records Stichting Sieraden-Comité, file HF24, film 580, nr 1295
In addition, a Jokos file (number 8657) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.