Anna Dupak 1. Open

I am looking for any information on my Great Grandmother, birth name Anna Dupak.  I have a copy of her birth record in both latin and translated to English.  She immigrated to Detroit from Poland in I believe 1910. I have very little information about her family other than names from her birth certificate and hoping someone can point me in the right direction for where to search for additional info on her and her family.  She was born 2/19/1891 in Rdzawka. Her father’s name was Stanislaw Dupak. His parents were Jakub Dupak (assuming from the birth certificates) and Karolina Slomska (or Slonska -difficult to read) listed as being from Rokiciny. My great grandmother’s Mother’s name is listed as Marianna and her parents names are listed as Tomasz Rapacz and Tekla Filas. I have no idea if my g-grandmother had sibilings, etc. but would love to find out more information about her. All of my close relatives on her side are no longer living, so it’s been very difficult to find any additional info. Any help would be so appreciated!