FamilySearch (https://familysearch.org/pal:/MM9.1.1/JH9D-V9S : accessed 21 Aug 2014), Heinrich Joseph Servaes and Josepha Barbara Prange, 12 Jul 1842; citing Duesseldorf Stadt, Rheinland, Prussia; FHL microfilm 948732. » Sources » Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogy Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/JH9D-V9S : accessed 21 Aug 2014), Heinrich Joseph Servaes and Josepha Barbara Prange, 12 Jul 1842; citing Duesseldorf Stadt, Rheinland, Prussia; FHL microfilm 948732. » Sources » Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogy Online">