He is married to Baukje Postma.
They got married on September 11, 1937 at Achtkarspelen (Fr), he was 23 years old.Source 3
grandparents
parents
brothers/sisters
children
Jan Kloosterman | ||||||||||||||||||
1937 | ||||||||||||||||||
Baukje Postma | ||||||||||||||||||
Geboorteregister 1914, Achtkarspelen
https://www.graftombe.nl/names/info/196687/kloosterman
Huwelijksregister 1937, Achtkarspelen