He is married to Grietje Jongsma.
They got married on May 12, 1917 at Smallingerland (Fr), he was 25 years old.Source 3
Child(ren):
grandparents
parents
brothers/sisters
children
Harmen Jonker | ||||||||||||||||||||||||||||||||||
1917 | ||||||||||||||||||||||||||||||||||
Grietje Jongsma | ||||||||||||||||||||||||||||||||||
Geboorteregister 1891, Smallingerland
https://www.graftombe.nl/names/info/170112/jonker
Huwelijksregister 1917, Smallingerland