In the 1920 census for Arthur Williams(Eliza's son), his mother is listed as being born in Jackson Township.
She is married to Mortimer Williams.
They got married on December 8, 1846 at Most likely Herrick Township, Susquehanna County, Pennsylvania, she was 20 years old.
Child(ren):
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=28064322&pid=1630/ Ancestry.com