Kasimer married Konstancya (Constance) Sulinski on 31 Aug 1895 in Chicago, Cook County, Illinois, USA. Konstancya (daughter of Stanislaw (Stanley) Sulinski and Balbina Piotrowska) was born on 6 Sep 1873 in Sierpc, Mazowieckie, Poland; died on 18 Jun 1933 in Minneapolis, Hennepin County, Minnesota, USA. [Group Sheet] [Family Chart]

1. Edmund Stanley Jasinski was born on 5 Sep 1896 in Chicago, Cook County, Illinois, USA.
2. Marie Casmira Jasinski was born on 12 Mar 1899 in Chicago, Cook County, Illinois, USA; died on 13 Oct 1964 in Ramsey County, Minnesota, USA; was buried in Minneapolis, Hennepin County, Minnesota, USA.
3. Stefan (Stephen) Constantine Jasinski was born on 2 Sep 1900 in Chicago, Cook County, Illinois, USA; died on 19 Jan 1964 in Hennepin County, Minnesota, USA.

Petri married Luciae Borowska. [Group Sheet] [Family Chart]