Willem Michel Louis Cohen and Sophia Clementine Jacobs had two children.
Bertha Clementina Cohen, born May 21 1912 in Semarang, and
Willy Louis Cohen, born September 10 1916 in Semarang.
Source: https://www.openarch.nl/hga:371F570D-00FC-4618-8A8E-C527675E44AA
In addition, a Jokos file (number 10905) 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 …