Jetje van Collem was a daughter of David van Collem and Rachel Olivier. She married 26 August 1931 in Amsterdam Barend Borstel, a son of Isaac Borstel and Rebekka Elkan Reimer. Barend was previously married to Jetje's sister Leentje van Collem, who passed away already on 20 May 1930 and was interred in the Jewish Cemetery in Diemen.
Jetje had four other siblings, who also have been killed during the Holocaust: Hartog, Sara, Samuel and Levie.
City Archive of Amsterdam, archive card of Barend Borstel and website www.wiewaswie.nl.
Biography