He is married to Trientje Wormmeester.
They got married on May 13, 1930 at Baflo (Gr), he was 25 years old.Source 4
grandparents
parents
brothers/sisters
children
Mient Douwe Jongsma | ||||||||||||||||||
1930 | ||||||||||||||||||
Trientje Wormmeester | ||||||||||||||||||
Geboorteregister 1904, Achtkarspelen
https://www.graftombe.nl/names/info/238154/jongsma
Huwelijksregister Baflo 1930