Hartog Scheffer was married to Greta Kropveld. He was a greengrocer. The couple lived at the Iepenplein 15 in Amsterdam. They had no children.
NIOD, Records Stichting Sieraden-Comité, box 7HF, file 101
In addition, Jokos files (numbers 14244, 51526) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.