The spouse of Isidor Asch survived the war by going into hiding, together with the family of one of her children.
USC Shoah Foundation, USC-SF nr. 16647 (interview Irmgard Horowitz-Asch)
In addition, a Jokos file (number 32928) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Addition