| Quellen |
- [S10305] Ancestry.com, Niederlande, ziviler Heiratsindex, 1795-1950, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2016;), WieWasWie; Den Haag, Nederland; Trouwen.
https://www.wiewaswie.nl/personen-zoeken/zoeken/document/srcid/35477155
- [S10306] Ancestry.com, Niederlande, Taufindex, 1557-1902, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2016;), Stadsarchief Amsterdam; Den Haag, Nederland; Doopen.
https://www.wiewaswie.nl/personen-zoeken/zoeken/document/srcid/77442975
- [S10170] FamilySearch.org, FamilySearch FamilyTree, "Family Tree," database, FamilySearch (http://familysearch.org : modified 15 April 2023, 19:48), entry for Alexander Pfeiffer (PID https://ark.familysearch.org/ark:/61903/4:1:GKNP-CL2 ); contributed by various users.
https://ark.familysearch.org/ark:/61903/4:1:GKNP-CL2
- [S10684] Staatsarchiv Amsterdamm, Document typeDTB TrouwenHeritage institutionStadsarchief AmsterdamInstitution placeAmsterdamCollection regionNoord-HollandArchive5001Registration number623Pagep.70Registration date24-04-1778Document placeAmsterdamCollectionDeel: 623, Periode: 1778-1779BookOndertrouwregisterOpmerkingOpmerking: Huwelijksintekeningen van de KERK. Aantal pagina's: 3 Volgnummer: 3 https://archief.amsterdam/archief/5001/623AkteSoortOndertrouwfilenameA23142000038.
https://archief.amsterdam/indexen/deeds/053af902-88eb-4591-adb4-bd635bd3d45c
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