Given name: Josek Family name: Groswurcel

Lived at Krochmalna Street No. 5, flat 54. The owner of a bakery at Leszno Street No. 65, which was officially closed on 3 October 1941 by the Jewish police (without giving any reasons).

J. Groswurcel was in the bakery when it was closed. The owner had to sign a document stating that he will appear upon every request of the office to give explanation.