Isak Mogendorff was the son of Jesaja Mogendorff and Gezina Maria Koopmans. He got married to Grietje Trijbits, who died in 1891. The couple had two children: Jacques Isaac and Abraham.
In 1893 Isak Mogendorff got married Henriette de Jong. From this marriage two children were born: Heiman and Grie…
In addition, a Jokos file (number 5076) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk. The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looti…