Source: Kees van der Ploeg
Hij is getrouwd met Elisabeth Knoppien.
Zij zijn getrouwd op 19 april 1948 te Onstwedde, provincie Groningen , hij was toen 30 jaar oud.
Jan Bakker
Sources: Author: van der Ploeg, Kees, Title: "Stamboom familie Niks," (Publication location unknown, Publisher: Genealogy On-line, Publication date: viii Apr MMXV), Repository: The Cloud
Link: https://www.genealogieonline.nl/en/stamboom-familie-niks/I1019.php
"Personal data Jan Bakker
He was born on February 26, 1918 in Odoorn, Drenthe, Nederland.
He died on April 4, 1960 in Onstwedde, Groningen, Nederland, he was 42 years old.
Household of Jan Bakker
He is married to Elisabeth Knoppien on April 19, 1948 at Onstwedde, Groningen, Nederland, he was 30 years old."
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