Bertha and Rosalie Hirsch were sisters born in Mandel, Bad Kreuznach, Rheinland-Pfalz, Germany. They married brothers Jacob and Leopold Loeb of Merxheim, Bad Kreuznach, Rheinland-Pfalz, Germany. Both were widows when they emigrated to the Netherlands and were then deported to Sobibor. They have descendants in the Netherlands and Argentina.
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