Did the ancestors come to America married or they married in Buffalo, NY?
Do take a look in NY EI Krajczer, JanosHethars2918711900 Csaki, JuliaHethars1718841901 Omaszta, MariaHethars2318751898 Hethars, Saros megye, Hungary is Lipany, Slovakia [šariš region] 1773 Hethárs, Hethars, Sieben-Linden, Lippany, 1786 Siebenlinden, Héthárs, Lipiani, 1808 Héthárs, Septem Tiliae, Siebenlinden, Lipjany, Lipany, 1863–1913 Héthárs, 1920–1948 Lipiany, 1948– Lipany [ all the names this location was known by]
OMASTOVA [OVA a female ending] in Lipany's phone book. church records in LDS https://familysearch.org/eng/library/fhlcatalog/supermainframeset.asp?display=topicdetails&subject=1132570&subject_disp=Slovakia%2C+Sabinov%2C+Lipany+%2D+Church+records&columns=*,0,0
My suggestion only, not that your ancestors were from present Lipany, Slovakia [Czechoslovakia]. You need to find a document to confirm my suggestion or to discredit it.