He is married to Ymkje Zandberg.
They got married on May 24, 1917 at Tietjerksteradeel, Friesland, Nederland, he was 23 years old.Source 3
grandparents
parents
brothers/sisters
children
Fokke Boonstra | ||||||||||||||||||
1917 | ||||||||||||||||||
Ymkje Zandberg | ||||||||||||||||||
Geboorteregister 1894, Tietjerksteradeel
https://www.graftombe.nl/names/info/537023/boonstra
Huwelijksregister 1917, Tietjerksteradeel