On 27 January 1928 Stephan Hirschberger, his wife Selma Mayer and their five-year-old son Erich, moved from Oberhausen to Mönchengladbach. Stephan previously earned a living as a merchant but most likely came to Mönchengladbach to work for the company of the father of his sister in law. Stephan beca…
Meer informatie en een foto van dit gezin is te vinden in het boek van Paul Alexander: De geschiedenis van mijn nieuwsgierigheid: Wat ik niet wist van mijn Joodse familie (Breda 2010).