I M Looking for All Information on My Gg Grandparent S John C

I'm looking for all information on my GG Grandparent's [John C. Conrad/Conard & Anna M. Foulke/Faulke married about 1826 in Northumberland County; Augusta Twp.; Sunbury,PA & their sibling's & their parent's & children!
Thank you in advance!
yram@iowatelecom.net