He is married to Jitske Nieuwland.
They got married on May 11, 1904 at Leeuwarden (Fr), he was 23 years old.Source 3
Child(ren):
grandparents
parents
brothers/sisters
children
Klaas de Jong | ||||||||||||||||||||||||||||||||||
1904 | ||||||||||||||||||||||||||||||||||
Jitske Nieuwland | ||||||||||||||||||||||||||||||||||
Geboorteregister 1880, Westdongeradeel
https://www.graftombe.nl/names/info/365608/jong_de
Huwelijksregister 1904, Leeuwarden