Yaakov Moshe Rosenstein
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My great-grandfather was Yaakov or Yakov Moshe Rosenstein and he owned a large print shop in Piotrkow Trybunalski.His children, Shimone (or Shimshone), David, Israel and Frania worked there with him.
Frania was married to Hertzl Grinbaum, who died in the camp Flossberg.