FamilySearch (https://familysearch.org/pal:/MM9.1.1/N8GY-XJ7 : accessed 28 Oct 2014), Anna Maria Servoes in entry for Joannes Wilhelmus Walter, 19 May 1712; citing ; FHL microfilm 185999. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/N8GY-XJ7 : accessed 28 Oct 2014), Anna Maria Servoes in entry for Joannes Wilhelmus Walter, 19 May 1712; citing ; FHL microfilm 185999. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online">