He had a relationship with Grietie Jacobsz van der Meulen.
Child(ren):
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XBTY-922 : 12 December 2014), Jan Pietersz Langedyk in entry for Jacob Langedyk, ; citing Abbekerk, Noord-Holland, Netherlands; FHL microfilm 113,084.
https://familysearch.org/ark:/61903/1:1:XBTY-922
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XBTY-96L : 12 December 2014), Jan Pietersz Langedyk in entry for Pieter Jansz Langedyk, ; citing Abbekerk, Noord-Holland, Netherlands; FHL microfilm 113,084.
https://familysearch.org/ark:/61903/1:1:XBTY-96L
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X144-JSS : 12 December 2014), Jan Pietersz Langedyk in entry for Pieter Jansz (Langedyk), ; citing Abbekerk, Noord-Holland, Netherlands; FHL microfilm 113,084.
https://familysearch.org/ark:/61903/1:1:X144-JSS
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X144-JHG : 12 December 2014), Jan Pietersz Langedyk in entry for Jacob (Langedyk), ; citing Abbekerk, Noord-Holland, Netherlands; FHL microfilm 113,084.
https://familysearch.org/ark:/61903/1:1:X144-JHG
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X144-NFC : 12 December 2014), Jan Pietersz Langedyk in entry for Jannetie (Langedyk), ; citing Abbekerk, Noord-Holland, Netherlands; FHL microfilm 113,084.
https://familysearch.org/ark:/61903/1:1:X144-NFC
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X1N6-KYB : 12 December 2014), Jan Pietersz Langedyk in entry for Jannetie Langedyk, ; citing ROOMS KATHOLIEKE KERK, ABBEKERK, NOORD HOLLAND, NETHERLANDS; FHL microfilm 113,084.
This extracted record was used to create this person in Family Tree.
https://familysearch.org/ark:/61903/1:1:X1N6-KYB