Wilhelm Kube was a devout Christian as well as a zealous Nazi. Those 2 aspects of his life clashed a few times during WWII.

In July 1941, just after the German occupation of the western parts of the Soviet Union, he was appointed Generalkommissar for Weissruthenien (now known as Belarus).

As Generalkommissar he was in charge of the extermination of the large Jewish population of his assigned region. He was nevertheless disgusted and outraged by the massacre in  Slutsk in October 1941.  SS Einsatzgruppen murdered Jews without the apermission  of the local Nazi civil administration and Security SS authorities. Local non-Jewish Belarusians were also massacred, causing great resentment among the population.

Kube wrote in protest to his supervisor and Reichsführer Heinrich Himmler:

“The town was a picture of horror during the action. With indescribable brutality on the part of both the German police officers and particularly the Lithuanian partisans, the Jewish people, but…