Joseph Infield 1732 Germany

I believe myself to be a descendant of Joseph Infield born abt. 1732 probably in Germany.Here is who I believe to be my ancestors:

Joseph Infield b. abt. 1732 Germany w/Christina Winter
John Infield b. aft. 1752 MD w/Maria Elisabeth
Philip Infield b. 1775 MD w/Christina Klink
Jacob Infield b. 1804 PA w/Eve Schultz
Elias (Eli) (Infield) Enfield b. 1839 PA w/Lovina Strayer
Ada Barbara Enfield b. Mar 26, 1871 h/James Bennett

Ada is my gggrandmother.I would like to find out more about her if I could.Please contact me if you can help or want to share information.