"Nederland, Indexen van de Archieven, Primaire Archiefstukken (BS en DTB), 1600-2000," database,
FamilySearch (
https://familysearch.org/ark:/61903/1:1:QL5P-7LPN : 6 October 2017), Gerrit van Aalsburg and Grarda Helena Reijnen, Marriage 08 Feb 1866, Nijmegen, Gelderland, Nederland; from database,
openarchives (https://www.openarch.nl : 2016); citing Nijmegen, archive 0207, inventory number 1105, record number 30; ; Gelders Archief.