Marzena ?

父母

[full siblings]

祖先 [to the great-grandparents]

    +---- x ?
==== Marzena ?
    |         +---- Ignacy Mróz
    |    +---- Ignacy Mróz
    |    |    +---- Józeffa Olszewska
    +---- Janina Mróz
         +---- Maria ?