He is married to Sjoerdtje Veenstra.
They got married on November 11, 1916 at Dantumadeel, Friesland, Nederland, he was 24 years old.Source 4
grandparents
parents
brothers/sisters
children
Johannes de Jong | ||||||||||||||||||
1916 | ||||||||||||||||||
Sjoerdtje Veenstra | ||||||||||||||||||
Geboorteregister 1892, Dantumadeel
Overlijdensregister 1936, Dantumadeel
https://www.graftombe.nl/names/info/196592/jong_de
Huwelijksregister 1916, Dantumadeel