Pages of Testimony by Ida Kreper There are three PoT submitted by Ida Kreper (Hebrew written) on 16.1. 1956 in Yad Vashem Database. Alxandor Körper (X8320): Brother in law; Mother Betty different!? Sidonia Just (I205): Sister in law; Mother Betty different?! Moritz Klamper: Brother; https://www.helmutpaul.at/tree/paul/media/X8323/Page-of-Testimony-Moritz-Klamper
Maybe Ida Kreper was the wife of another sibling of Alexander and Sidonia who survived? I can't prove her exact connection to the family. Andreas Paul