Rachel survived the Shoah by fleeing the Netherlands with her husband, Ezechiël, and her younger son, Jacques. They arrived in the USA in August 1940.
Her oldest son survived in the Netherlands, presumably in hiding.
Addition
Rachel survived the Shoah by fleeing the Netherlands with her husband, Ezechiël, and her younger son, Jacques. They arrived in the USA in August 1940.
Her oldest son survived in the Netherlands, presumably in hiding.