Perhaps, after the JewishGen Discussion Group has posted several alternative
notions regarding the location of a place identified as "Reslawa" in an
emigrant's passenger manifest, it is time to talk methodology.
It is never good to rely on only one record to "prove" something about one's
ancestors. Consider each piece of evidence as a clue. Search high and wide
for other records (e.g., naturalizations, marriages, draft records) for one's
target person as well as for records for the target's relatives (spouse,
children, siblings, parents, cousins, etc.). If collateral relatives
indicated different places of origin, look at maps to see if those locations
may be anywhere near a town with a name that may have been (mis)spelled as
"Reslawa." Look for any indications of the gubernia, uyezd, (county/district).