He is married to Aaltje Zijlstra.
They got married on May 24, 1923 at Kollumerland c.a., Friesland, Nederland, he was 25 years old.Source 3
grandparents
parents
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Folkert Niewijk | ||||||||||||||||||
1923 | ||||||||||||||||||
Aaltje Zijlstra | ||||||||||||||||||
Geboorteregister 1897, Kollumerland c.a.
https://graftombe.nl/names/info/10125/niewijk
Huwelijksregister 1923, Kollumerland c.a.