FamilySearch (https://familysearch.org/pal:/MM9.1.1/V4KK-2F4 : accessed 25 Oct 2014), Peter Wilhelm Servaes, ; citing ; FHL microfilm 997536. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/V4KK-2F4 : accessed 25 Oct 2014), Peter Wilhelm Servaes, ; citing ; FHL microfilm 997536. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online">