Judenrat and the Jewish police were soon established on German orders; the head of the Sosnowiec Judenrat was Moshe Merin (Mojżesz Merin in Polish) [REF].
There had been considerable underground activity among the Jews in Sosnowiec and Będzin Ghetto nearby, organized by the youth organizations Ha-No'ar ha-Ziyyoni, Gordonia, and Ha-Shomer ha-Za'ir.