Piotr Mróz

Genitori

Fratelli

Antenati fino ai bisnonni

              +---- Ignacy Mróz
         +---- Ignacy Mróz
         |    +---- Józeffa Olszewska
    +---- Stanisław Mróz
    |    +---- Maria ?
==== Piotr Mróz
    +---- Maria ?