Cornelis de Jong |
"Netherlands, Archival Indexes, Miscellaneous Records," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/QL6Q-914L : 23 August 2017), Cornelis de Jong, Baptism 11 Jan 1804, Leiden, Zuid-Holland, Nederland; from database, openarchives (https://www.openarch.nl : 2016); citing Archiefnaam: Dopen NH Pieterskerk, Deel: 231, Periode: 1796-1811, archive 1004, inventory number 231, folio; Archiefnaam: Dopen NH Pieterskerk, Deel: 231, Periode: 1796-1811; Erfgoed Leiden.
https://familysearch.org/ark:/61903/1:1:QL6Q-914L