| Leszek Wilk was | 21 years | old when a son was born to him (Andrzej Wilk) |
| Aniela Wilk née Pyryt was | 22 years | old when she bore a son (Jan Wilk) |
| Agnieszka Wilk née Tłusty was | 22 years | old when she bore a son (Jerzy Wilk) |
| Agnieszka Wilk née Tłusty was | 23 years | old when she bore a son (Leszek Wilk) |
| Aniela Wilk née Pyryt was | 24 years | old when she bore a son (Bronisław Wilk) |
| Leszek Wilk was | 24 years | old when a son was born to him (Artur Wilk) |
| Agnieszka Wilk née Tłusty was | 25 years | old when she bore a daughter (Elżbieta Kastelik née Wilk) |
| Agnieszka Wilk née Jadach was | 25 years | old when she bore a daughter (Klaudia Wilk) |
| Andrzej Wilk was | 25 years | old when a daughter was born to him (Klaudia Wilk) |
| Mieczysław Wilk was | 25 years | old when a son was born to him (Jerzy Wilk) |
| Helena Wilk née Patocka was | 25 years | old when she bore a son (Sławomir Wilk) |
| Mieczysław Wilk was | 26 years | old when a son was born to him (Leszek Wilk) |
| Sławomir Wilk was | 26 years | old when a daughter was born to him (Anna Wilk) |
| Mieczysław Wilk was | 27 years | old when a daughter was born to him (Elżbieta Kastelik née Wilk) |
| Józef Wilk was | 29 years | old when a son was born to him (Jan Wilk) |
| Aniela Wilk née Pyryt was | 30 years | old when she bore a son (Władysław Wilk) |
| Józef Wilk was | 31 years | old when a son was born to him (Bronisław Wilk) |
| Aniela Wilk née Pyryt was | 32 years | old when she bore a son (Mieczysław Wilk) |
| Władysław Wilk was | 32 years | old when a son was born to him (Sławomir Wilk) |
| Sławomir Wilk was | 35 years | old when a son was born to him (Kamil Wilk) |
| Józef Wilk was | 38 years | old when a son was born to him (Władysław Wilk) |
| Józef Wilk was | 40 years | old when a son was born to him (Mieczysław Wilk) |
| Jerzy Wilk was | 43 years | old when a daughter was born to him (Natalia Wilk) |
| Jerzy Wilk was | 45 years | old when a daughter was born to him (Olivia Wilk) |
| There were found 24 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 25 years for females. |