Jacob Jansz Bakkere en tant qu·Äôentrâ©e de Leendert Schapers et de Cornelia Bakker, "Netherlands, Archival Indexes, Vital Records, 1600-2000"
"Nederland, Indexen van de Archieven, Primaire Archiefstukken (BS en DTB), 1600-2000," database,
FamilySearch (
https://familysearch.org/ark:/61903/1:1:QLRW-4V77 : 6 October 2017), Jacob Jansz Bakkere in entry for Leendert Schapers and Cornelia Bakker, Marriage 31 Jul 1829, Utrecht, Nederland; from database,
openarchives (https://www.openarch.nl : 2016); citing Utrecht, archive 481, inventory number 946-01, record number 183; ; Het Utrechts Archief.