The marriage records could be expected to give you information about the parents of the bride and the groom.
You didn't give info about WHEN Charles married either of these sisters but here are some possibles quickly found in the free online databases of Familysearch.orghttps://familysearch.org/pal:/MM9.1.1/N38B-YJHhttps://familysearch.org/pal:/MM9.1.1/FCPD-3VG
Familysearch shows several children born to Charles and Pauline? You should check. Those shown would put their marriage quite a few years earlier.
Perhaps.. the earlier marriage?https://familysearch.org/pal:/MM9.1.1/NQW3-KNX
Collecting those records and scouring them for vital details will also give you the COUNTY names where they lived - those are important. Censuses, birth records, death records, etc. are usually archived by the name of the county.