| Name
| Degree of Kinship | Date of Birth | Place of Birth | Date of Death | Place of Death |
|---|
| Brothers & Sisters |
|---|
Piasecki, Antoni (Anthony) | Brother | | | | |
Piasecki, Stanislawa | Sister | | | | |
Piasecki, Jozef (Joseph) | Brother | | | | |
Piasecki, Maryanna | Sister | 02 March 1884 | Russian Poland | 19 May 1949 | Chicago, Cook, Illinois, USA |
Piasecki, Andrzej (Andrew) | Brother | ABT 1886 | Russian Poland | 20 September 1909 | Chicago, Cook, Illinois, USA |
| Parents |
|---|
Piasecki, Ignacy (Ignaitius) | Father | | Russian Poland | | Russian Poland |
Szmagaj, Antonina | Mother | | German Poland | | German Poland |
| Brothers & Sisters-in-law |
|---|
Nowicki, Wincenty Jan | Brother-in-law | 28 June 1883 | Russian Poland | 13 May 1920 | Chicago, Cook, Illinois, USA |
Mrowicki, Andrzej (Andrew) | Brother-in-law | ABT 1885 | Poland | 16 April 1948 | Chicago, Cook, Illinois, USA |
| Nephews & Nieces |
|---|
Nowicki, John James | Nephew | 06 June 1909 | Borzymowice, Kujawsko-Pomorskie, Poland | 27 November 1971 | Chicago, Cook, Illinois, USA |
Nowicki, Mary (Marianna) | Niece | 06 September 1913 | Borzymowice, Kujawsko-Pomorskie, Poland | 31 August 2002 | Oak Forest, Cook, Illinois, USA |
Nowicki, Victoria Rita | Niece | 11 November 1915 | Chicago, Cook, Illinois, USA | 04 April 2002 | Chicago, Cook, Illinois, USA |
Mrowicki, Adam | Nephew | 12 June 1922 | Chicago, Cook, Illinois, USA | 12 June 1922 | Chicago, Cook, Illinois, USA |
Mrowicki, Michelene | Niece | 14 September 1927 | Chicago, Cook, Illinois, USA | | |
| Grandnephews & Grandnieces |
|---|
Naporski, Rita | Greatniece | 30 March 1931 | Chicago, Cook, Illinois, USA | | |
Naporski, Joan Barbara | Greatniece | 19 December 1932 | Chicago, Cook, Illinois, USA | 21 January 1998 | Miami, Dade, Florida, USA |
Przybysz, Stanley Robert | Greatnephew | 01 April 1933 | Chicago, Cook, Illinois, USA | | |
Przybysz, Christine E. | Greatniece | 02 January 1936 | Chicago, Cook, Illinois, USA | | |
Naporski, Patricia | Greatniece | 05 July 1936 | Chicago, Cook, Illinois, USA | 04 December 1983 | Arlington Heights, Lake, Illinois, USA |
Przybysz, Diane | Greatniece | 11 January 1942 | Chicago, Cook, Illinois, USA | | |
Nowicki, David Anthony | Greatnephew | 14 March 1946 | Chicago, Cook, Illinois, USA | | |
Nowicki, Frederick John | Greatnephew | 21 December 1950 | Chicago, Cook, Illinois, USA | | |
Nowicki, Mary Claire | Greatniece | 28 December 1958 | Chicago, Cook, Illinois, USA | | |
Hudak, Michael | Greatnephew | Mar 1960 | Chicago, Cook, Illinois, USA | | |