He was `` Kommissar fÃ 1\/4 r den jÃ 1\/4 dischen Wohnbezirk '' ( `` Commissioner for the Jewish residential District '' ) in Warsaw , Poland from April 1941 to November 1942 . He was `` Kommissar fÃ 1\/4 r den jÃ 1\/4 dischen Wohnbezirk '' ( `` commissioner for the Jewish residential district '' ) in Warsaw from April 1941 to November 1942 .