Doop op 30 december 1770 te Amsterdam (Lutherse Kerk)
Stadsarchief Amsterdam, DTB 253, p.53(folio 32)
https://archief.amsterdam/18570NFrv5L1F01/indexen/doopregisters_1564-1811/zoek/query.nl.pl?v1=Dorothea Margaretha&a1=&d2=30&m2=12&y2=1770