Re: Info on JACOBS from Wreschen, TRENCHER from Sawin #usa
Wreschen is known today as Września, Poland.
Alternate names: Września [Pol], Wreschen [Ger], Vreshne [Yid], Vřesno [Cz], Vzhes'nya
Alternate names: Sawin [Pol], Savin [Yid, Rus]
Try searching https://www.jewishgen.org/databases/Poland/
for records of your family from those towns. You can search by surname, or search by town alone to see what records are available.
Also, consider doing a soundex search on the surnames. Names are often spelled in various ways.
Good luck in your search,