Did Aaron Kosminski have any brothers or sisters?
Yes, Aaron Kosminski had 6 siblings, although Pessa had died before he was born.
Aaron’s Father: Abram Josef Kozminski
Aaron's Mother: Golda Lubnowski
| Pessa | Female | December 1845, but died before reaching three years of age |
| Hinde | Female | November 1848 |
| Iciek (later called Isaac) | Male | 1851 |
| Malke (later called Matilda) | Female | 1854 |
| Blimbe | Female | 1857 |
| Wolek (later called Woolf) | Male | 1860 |
| Aron (Later called Aaron) | Male | 1865 |
