Piotr
Mróz
Parents
Stanisław Mróz
Maria ?
Siblings
Waldemar Mróz
Piotr Mróz
Ancestry up to the great-grandparents
+----
Ignacy Mróz
+----
Ignacy Mróz
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Józeffa Olszewska
+----
Stanisław Mróz
| +----
Maria ?
====
Piotr Mróz
+----
Maria ?
Relationship computing
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Piotr Mróz
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Ancestry
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