FamilySearch (https://familysearch.org/pal:/MM9.1.1/NXP1-LLB : accessed 16 Nov 2014), Franz Friedrich Servaes, ; citing DUESSELDORF STADT,RHEINLAND,PRUSSIA; FHL microfilm 939312. » Sources » Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogy Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/NXP1-LLB : accessed 16 Nov 2014), Franz Friedrich Servaes, ; citing DUESSELDORF STADT,RHEINLAND,PRUSSIA; FHL microfilm 939312. » Sources » Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogy Online">