He is married to Jantje Froukje Hummel.
They got married on May 24, 1928 at Zuidhorn (Gr), he was 23 years old.Source 3
grandparents
parents
brothers/sisters
children
Harrit Boonstra | ||||||||||||||||||
1928 | ||||||||||||||||||
Jantje Froukje Hummel | ||||||||||||||||||
Geboorteregister 1904, Achtkarspelen
https://www.graftombe.nl/names/info/1992346/boonstra
Huwelijksregister Zuidhorn 1928