He is married to Grietje Triemstra.
They got married on April 20, 1935 at Kollumerland c.a., Friesland, Nederland, he was 23 years old.Source 3
grandparents
parents
brothers/sisters
children
Jan Kok | ||||||||||||||||||
1935 | ||||||||||||||||||
Grietje Triemstra | ||||||||||||||||||
Geboorteregister Grijpskerk 1912
https://www.graftombe.nl/names/info/2012383/kok
Huwelijksregister 1935, Kollumerland c.a.