Peter John Niskanen1880–
- Name
- Peter John Niskanen
| Birth | estimated as close to sibling(s) about 1880 39 34 |
| Birth of a brother | Erick Niskanen about 1882 (Age 2 years) |
| Death of a father | Eric Adam yrjönpoika Niskanen 1919 (Age 39 years) |
| Death of a sister | Anna Kaisa Niskanen May 29, 1964 (Age 84 years) |
| Family with parents |
| father |
Eric Adam yrjönpoika Niskanen Birth: 01 Oct 1844 per Mink. — September 21, 1840 14 — Kuhmoniemi, Finland Death: 1919 — Gackle, Logan, North Dakota, USA |
| mother |
Dorothea Maria Stierna Birth: 1846 |
| elder sister |
Anna Kaisa Niskanen Birth: December 21, 1872 32 26 — Kuusamo, Oulu Laani, Finland Death: May 29, 1964 — Paddock, Otter Tail, Minnesota, USA |
|
2 years elder sister |
Karolina Niskanen Birth: estimated as close to sibling(s) — about 1874 33 28 |
|
3 years elder sister |
Hanna Niskanen Birth: estimated as close to sibling(s) — about 1876 35 30 |
|
3 years elder brother |
Charles Niskanen Birth: estimated as close to sibling(s) — about 1878 37 32 |
|
3 years himself |
Peter John Niskanen Birth: estimated as close to sibling(s) — about 1880 39 34 |
|
3 years younger brother |
Erick Niskanen Birth: estimated as close to sibling(s) — about 1882 41 36 |