They moved to Zajeziorek, Zale, Rypin, Poland
These are the microfilms available at an LDS family history centre near you (in case your ancestors were catholic):
Poland, Bydgoszcz, Żałe (Rypin) - Church records
Kopie księg metrykalnych, 1808-1891 Kościół rzymsko-katolicki. Parafja Żałe (Rypin)
Kopie księg metrykalnych, 1810-1841 Kościół rzymsko-katolicki. Parafja Żałe (Rypin)
Księgi metrykalne, 1746-1891 Kościół rzymsko-katolicki. Parafja Żałe (Rypin)
It is almost impossible to trace people back to western Europe, by the way. There are no written sources other than the usual suspects. One web site you might find interesting though:
upstreamvistula.org/index.htm