Complex sentence: During the Warsaw Ghetto Uprising, the Pawiak became an assault base for the Nazis; jailers from the Pawiak, under the command of Franz Bürkl, volunteered to hunt the Jews.
Split into simpler sentences: During the Warsaw Ghetto Uprising, the Pawiak became an assault base for the Nazis. Jailers from the Pawiak, command by Franz Bürkl, volunteered to hunt the Jews.