| type of event | birth |
| the date | in 1821 204 years ago (as of 12 JUL 2025) |
| site | Sokolniki, now POL‑LD Europe, Poland, województwo łódzkie, powiat wieruszowski, gmina Sokolniki, Sokolniki |
| child | Agnieszka Mormol née Pietrusińska |
| father | Józef Pietrusiński
(30 years; see also marriage – 6 years before) died 11 years after the event — on the 23rd of May 1832 |
| mother | Małgorzata Stefaniak [1° v. Pietrusińska, 2° v. Zielińska]
(25 years) died 35 years after the event (1856) |