Given name: Jankiel Family name: Kazimierski
Deputy [district] commander in the reserve of the Jewish Police (Order Service) - until July 1941.
Given name: Fiszel Family name: Kenigswein
Lived at Sosnowa Street No. 9, a wireman, a clerk of the 'Thirteen' - until July 1941.
Given name: Josef Jankiel Family name: Kenigswein
He lived at Sosnowa Street No. 19, druggist, a clerk of the 'Thirteen' - until July 1941
Given name: Unknown Family name: Kerner
Lived at Leszno Street No. 11, appointed administrator of Jewish houses in the ghetto - until November 1941.
Given name: Lucjan Family name: Kerner
A group commander in Jewish Police Inspection - until July 1941.
Given name: Unknown Family name: Kestenberg
Lived at Leszno Street No. 15, flat 29. Works in the Gestapo - until November 1941.
Given name: Jakub Family name: Kerszenblat
Lived at Sienna Street No. 72, an office clerk, a senior controller of the 'Thirteen' - until July 1941.
Given name: Lejzor Family name: Kierszenbaum
Lived at Nowolipki Street No. 29, an office clerk. A controller of the 'Thirteen' - until July 1941.
Given name: Mieczysław Family name: Kierszenbaum
Lived at Leszno Street No. 57, a messenger of the 'Thirteen' - until July 1941.
Given name: Eliasz Family name: Kirenberg
Lived at Dzielna Street No. 3, a merchant. A controller of the 'Thirteen' - until July 1941.