Jacob married Agatha SZYMCZAK 29 Sep 1811, Sobótka, Poland. Agatha (daughter of John SZYMCZAK and Elisabeth) was born 24 Jan 1792, Sobótka, Poland; died 02 Aug 1850, Sobótka, Poland. [Group Sheet]
Children:
Joseph JANCZAK was born 13 Mar 1813, Sobótka, Poland; died 05 Sep 1852, Sobótka, Poland.
Catharina JANCZAK was born 21 Sep 1817, Sobótka, Poland; died 05 Sep 1852, Sobótka, Poland.
Urban JANCZAK was born 19 May 1823, Sobótka, Poland; died 03 Sep 1852, Sobótka, Poland.