The Gitta Grinberg asked about in the previous post is probably Gitta Grinberg-Löbel, a sister of Izrael Chaim Löbel. She was born June 28, 1905 in Sedziszow, Poland and survived the war. It seems likely that she was in hiding together with Leni Löbel-Beder and Leni's son Sigmund.
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