Levi Denneboom and Saartje Slager married in 1897 in Urk. They had six children, among whom Johanna, Carolina, Joel, Noach and Benjamin.
Stadsarchief Amsterdam, archiefkaart Levi Denneboom
In addition, a Jokos file (number 61186) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.