Witold Pieńczewski–
- Name
- Witold Pieńczewski
- Given names
- Witold
- Surname
- Pieńczewski
| Birth | yes |
| Death of a sister | Natalia Pieńczewska July 22, 1928 |
| Death of a maternal grandmother | Natalia Rodowicz March 10, 1937 |
| Death | yes |
| Family with parents |
| father |
Adolf Pieńczewski Birth: Death: |
| mother |
Irena Żylewicz Birth: 1877 29 Death: October 2, 1899 |
|
Marriage: — |
|
| sister |
Helena Pieńczewska Birth: 1901 24 Death: 1901 |
|
4 years brother |
Michał Pieńczewski Birth: 1904 27 |
|
3 years sister |
Natalia Pieńczewska Birth: 1906 29 Death: July 22, 1928 |
| himself |
Witold Pieńczewski Birth: Death: |
| sister |
Wanda Pieńczewska Birth: Death: |