(1) He is married to Trijntje Veenstra.
They got married on May 12, 1906 at Tietjerksteradeel, Friesland, Nederland, he was 24 years old.Source 3
(2) He is married to Marijke Douwes Procee.
They got married on June 22, 1935 at Tietjerksteradeel, Friesland, Nederland, he was 53 years old.Source 4
grandparents
parents
brothers/sisters
children
Hendrik Jans Vonk | ||||||||||||||||||
(1) 1906 | ||||||||||||||||||
Trijntje Veenstra | ||||||||||||||||||
(2) 1935 | ||||||||||||||||||
Marijke Douwes Procee | ||||||||||||||||||
Geboorteregister 1882, Tietjerksteradeel
https://www.graftombe.nl/names/info/649866/vonk
Huwelijksregister 1906, Tietjerksteradeel
Huwelijksregister 1935, Tietjerksteradeel