| Genowefa Kalinowska née Jędrzejaczyk was | 22 years | old when she bore a son (Walenty Kalinowski) |
| Genowefa Kalinowska née Jędrzejaczyk was | 24 years | old when she bore a daughter (Helena Pszenica née Kalinowska) |
| Walenty Kalinowski was | 27 years | old when a son was born to him (Włodzimierz Kalinowski) |
| Walenty Kalinowski was | 32 years | old when a son was born to him (Andrzej Kalinowski) |
| Adam Kalinowski was | 33 years | old when a son was born to him (Walenty Kalinowski) |
| Adam Kalinowski was | 35 years | old when a daughter was born to him (Helena Pszenica née Kalinowska) |
| There were found 6 births for which we know the parent's age at the event (parent's and child's year of birth). Average age of having children is 31 years for males and 23 years for females. |