My g-g- grandmother was Cecylia Koteras from Debnica/Slawno Poland. Married Martinus Braciszewski 1849. She and son Martin immigrated to the U.S. on ship Fulda in 1884,settled in Buffalo Ny when he was 16 y.o. and she was 52.
I don't know if this is your tree,but let me know if you need any more info.