Esther Lootsteen was a daughter of Abraham Lootsteen and Roosje Zwart. She married in Amsterdam on 5 August 1925 to Jacob Kanes, a son of Barend Kanes and Lea Zwalf.
Her other siblings: Kaatje, Mozes, Willem and Mina have been killed all during the Holocaust.
City Archive of Amsterdam, archive card …
In addition, a Jokos file (number 53933) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.