Esther Crost was a daughter of Ephraim Crost and Bloeme Trompetter. She married in Amsterdam on 22 June 1899 but her marriage ended in a divorce on 4 April 1922. She had four children, who have survived the war.
Esther Crost was born into a family of seven children, of whom three children have survived the Holocaust. The other four, she self, Rachel Levie and Mozes have been killed during the Shoah.
City Archive of Amsterdam, archive card of Esther Crost, family registration card of Ephraim Crost and website www.wiewaswie.nl.