FamilySearch (https://familysearch.org/pal:/MM9.1.1/JH9Z-88Z : accessed 21 Aug 2014), Anna Servaes in entry for Johann Servaes and Elisabeth Christine Tappert, 01 May 1858; citing Duesseldorf Stadt, Rheinland, Prussia; FHL microfilm 949002. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/JH9Z-88Z : accessed 21 Aug 2014), Anna Servaes in entry for Johann Servaes and Elisabeth Christine Tappert, 01 May 1858; citing Duesseldorf Stadt, Rheinland, Prussia; FHL microfilm 949002. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online">