He is married to Wilhelmina Weening.
They got married on May 19, 1923 at Achtkarspelen (Fr), he was 30 years old.Source 3
grandparents
parents
brothers/sisters
children
Klaas Nicolai | ||||||||||||||||||
1923 | ||||||||||||||||||
Wilhelmina Weening | ||||||||||||||||||
Geboorteregister 1892, Kollumerland c.a.
http://www.graftombe.nl/names/info/276359/nicolai
Huwelijksregister 1923, Achtkarspelen