Johanna Hilversum was a daughter of Manuel Hilversum and Grietje Frank. She married 20 March 1929 in Amsterdam to Jacob Schaap, a son of Abraham Schaap and Aaltje Bromet.
Beside the deceased baby-sister, all other siblings have been killed during the Holocaust: she self, Johanna, Clara, Salomon, Lena, Hartog (and his wife Rachel de Meza), Bertha and Jacob.
City Archive of Amsterdam, archive card of Manuel Hilversum and website www.wiewaswie.nl.
Biography