Eva Oberdorfer/Josefa Baumrucker

I am looking for information about an Eva Oberdorfer who married Josefa Baumrucker about 1825. Eva Oberdorfer had a brother Peter who married Mary Kalasch (Kalas) whose sister Josephine(1843-1913) married Martin Baumrucker.Josephine and martin came to Chicago.Martin was born in Oplot Czech Republic.