Complex sentence: Moritz Rabinowitz, was probably the first to be arrested in March, 1941 for agitating against Nazi antisemitism in the Haugesund press, and sent to Sachsenhausen where he was beaten to death on 27 December 1942.
Split into simpler sentences: Moritz Rabinowitz, was probably the first to be arrested in March, 1941 for agitating against Nazi antisemitism in the Haugesund press. He was sent to Sachsenhausen concentration camp where he was beaten to death on 27 December 1942.