David Bruinvels' place and date of death was officially registered as mentioned above (23-05-1945, Riesa). This means he probably died after being liberated from the so-called "lost transport" and not on route.
Die Jüdischen Gedenkstätten, Tröbitz, Wildgrube, Langennaundorf und Schilda im Landkreis Elbe-Elster (Erika Arlt, publ. Landkreis Elbe-Elster) states that David Bruinvels passed away in the Riesa hospital on 25-05-1945.