He is married to Grietje Wielinga.
They got married on May 17, 1919 at Tietjerksteradeel, Friesland, Nederland, he was 23 years old.Source 3
grandparents
parents
brothers/sisters
children
Gjalt Dupon | ||||||||||||||||||
1919 | ||||||||||||||||||
Grietje Wielinga | ||||||||||||||||||
Geboorteregister 1896, Smallingerland
https://www.graftombe.nl/names/info/108540/dupon
Huwelijksregister 1919, Tietjerksteradeel