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 of Abraham Lootsteen and website www.wiewaswie.nl