Emanuël Bierman and Henriette Speelman had a son Salomon.
Stadsarchief Amsterdam, archiefkaart Salomon Bierman
In addition, a Jokos file (number 14753) 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 906 / 19556).