Leentje Nikkelsberg was a daughter of Samuel Nikkelsberg and Hendrika Roet. She was married three times: her first marriage was to Joseph Isaac van Kreeveld, who passed away 18 February 1892, aged 22, and who was interred in the Jewish Cemetery at Zeeburg. Her son from this marriage was Isaac van Kreeveld.
Leentjes second marriage was in Amsterdam on 10 January 1894 to Juda Haamerslag, (passed away before 1917), a son of David Haamerslag and Elisabeth Gans. From this marriage three children were born: Judic, Elisabeth and Roosje, (who was married to Joseph Boas and Isidor Rabinowitsch).
Her third marriage was on 4 September 1917 in Bussum to Isaac Gans, who lived in the 560805.
City Archive of Amsterdam, archive card of Leentje Nikkelsberg, website www.akevoth/mokum/burial permits and website www.wiewaswie.nl.
In addition, a Jokos file (number 60496) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.