FamilySearch (https://familysearch.org/pal:/MM9.1.1/QV6T-1P91 : accessed 17 Nov 2014), Phoebe F W Cox and null, 1972. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online"> FamilySearch (https://familysearch.org/pal:/MM9.1.1/QV6T-1P91 : accessed 17 Nov 2014), Phoebe F W Cox and null, 1972. » Quellen » Familienstammbaum Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf » Genealogie Online">