He is married to Sytske van Dijk.
They got married on September 11, 1919 at Dantumadeel, Friesland, Nederland, he was 22 years old.Source 3
grandparents
parents
brothers/sisters
children
Klaas Atsma | ||||||||||||||||||
1919 | ||||||||||||||||||
Sytske van Dijk | ||||||||||||||||||
Geboorteregister 1897, Tietjerksteradeel
https://www.graftombe.nl/names/info/706322/atsma
Huwelijksregister 1919, Dantumadeel