Alexander Polites and Mary Domolevich

Looking for ancestors and descendants of Alexander Polites b. February 1904 in Atlas, Northumberland County, PA d. November 1966 in Jersey City, Hudson County, NJ.
Mary (Domolevich) Polites b. December 1905 in Atlas, Northumberland County, PA, d. September 1969 in Jersey City, Hudson County, NJ.
They were the parents of: Alexander b. 1930; William F Polites b 1931, living in Mount Carmel, Northumberland County, PA; Thomas Robert Donald b. 1934 Atlas, PA d. 1987 Secaucus, Hudson, NJ, NJ; Jean (Polites) Zerbarini b. 1934 Atlas, PA d. 1997 East Meadow, Nassau County, NY; Peter died 1956; Leroy b. 1946 d. 1999 Rutherford, Bergen County, NJ; David Allen b. 1950 Jersey City, Hudson County, NJ d. 1979 Cleveland, Liberty County, TX. There may be several more whose identity I do not have.
The parents of Mary (Domolevich) Polites were Frank and Emelie.
The siblings of Mary (Domolevich) Polites were John and Emelie.
I have a considerable amount of information about the family that I will be happy to share, but I don't seem to be able to go back further. Can you help me?