Kazimierz married Hedvigis(Jadwiga) Furmanek on 7 Jan 1847 in Solec, Poznan, Poland. Hedvigis(Jadwiga) (daughter of Wawrzyniec Furmanek and Anna Lis) was born on 12 Oct 1831 in KrzyKosy, Poznan, Poland; was christened on 18 Oct 1831 in Solec, Poznan, Poland. [Group Sheet] [Family Chart]

1. Marianna Pietrzak was born in 1850 in KrzyKosy, Poznan, Poland; died on 5 Mar 1851 in KrzyKosy, Poznan, Poland.
2. Jakub Pietrzak was born on 3 Jul 1852 in KrzyKosy, Poznan, Poland; was christened on 5 Jul 1852 in Solec, Poznan, Poland; died on 19 Jan 1853 in KrzyKosy, Poznan, Poland.
3. Jakub Pietrzak was born on 21 Nov 1853 in KrzyKosy, Poznan, Poland; was christened on 27 Nov 1853 in Solec, Poznan, Poland; died on 25 Aug 1854 in KrzyKosy, Poznan, Poland.