Jansje de Hartogh was a daughter of Joel Nathan de Hartogh and Saartje van der Horst, a family with eight children, of whom two children of this family have died already as babies. The others were Jansje herself, Salomon, Nathan (both already died before the war), Rebekka, Judith and Grietje.
Jansje married in Amsterdam on 26 July 1879 to Salomon Kan, but they divorced in Amsterdam on 24 February …