He is married to Grietje Boonstra.
They got married on May 18, 1922 at Tietjerksteradeel, Friesland, Nederland, he was 21 years old.Source 3
grandparents
parents
brothers/sisters
children
Sybe Wijngaarden | ||||||||||||||||||
1922 | ||||||||||||||||||
Grietje Boonstra | ||||||||||||||||||
Geboorteregister 1900, Tietjerksteradeel
https://www.graftombe.nl/names/info/457468/wijngaarden
Huwelijksregister 1922, Tietjerksteradeel