FamilySearch (https://familysearch.org/pal:/MM9.1.1/NV9V-THN : accessed 06 Nov 2014), Wilhelm Servaas in entry for Johann Hermann Servaas, 15 Aug 1834; citing ; FHL microfilm 1050194. » Sources » Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogy Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/NV9V-THN : accessed 06 Nov 2014), Wilhelm Servaas in entry for Johann Hermann Servaas, 15 Aug 1834; citing ; FHL microfilm 1050194. » Sources » Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogy Online">