Levie van Kollem and Jeannette Michel married in 1908 in Amsterdam.
They also had a son Jacob.
Stadsarchief Amsterdam, archiefkaart Levie van Kollem
In addition, a Jokos file (number 10478) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 6592/22512).