He is married to Berendtje de Jong.
They got married on May 28, 1910 at Tietjerksteradeel, Friesland, Nederland, he was 26 years old.Source 3
Child(ren):
grandparents
parents
brothers/sisters
children
Klaas Hendriks Vonk | |||||||||||||||||||||||||||||||||||
1910 | |||||||||||||||||||||||||||||||||||
Berendtje de Jong | |||||||||||||||||||||||||||||||||||
Geboorteregister 1883, Tietjerksteradeel
https://www.graftombe.nl/names/info/443154/vonk
Huwelijksregister 1910, Tietjerksteradeel