Hartog Frinkel married Esther Finsi in 1912 in Amsterdam. She passed away in 1933. They had six children, of whom four reached an adult age. Simon, Jetje and Joseph died during the war. Hartog Frinkel married Sara Frank in 1934 in Amsterdam. The children living on this address were her children from a previous marriage.
Stadsarchief Amsterdam, archiefkaart Hartog Frinkel
In addition, a Jokos file (number 9934) on this family 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 looting bank (L-claim, number 3652/3664).