I did a search for Abraham Federman and came up with Abram Lebj Federman born 03/01/1930. He lived at FRANZ STRASSE 26 FLAT 18. He was transported on train 20/2.
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Abram was I believe transported on 11/03/1942 on TR 20/2. I believe the following people are is siblings/cousins and mother/aunts Sura Federman b. 1895, Fraidla Federman b. 1899, Selda Federman b. 05/01/1927, Salma Federman b. 06/01/1928, Nusen Federman b. 28/02/1936. They all lived together at Franz Strasse 26 Flat 18 and were deported on 11/03/1942 on TR 20/2.
Abraham Federman was sent to Chelmno where he was killed in the gas vans according to the secondary sources.